888996920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:206

約数の個数: 256

約数和(自身を含む): 2536980480

約数和(自身を除く): 1647983560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 61, 62, 70, 73, 92, 115, 122, 124, 140, 146, 155, 161, 184, 217, 230, 244, 248, 280, 292, 305, 310, 322, 365, 427, 434, 460, 488, 511, 584, 610, 620, 644, 713, 730, 805, 854, 868, 920, 1022, 1085, 1220, 1240, 1288, 1403, 1426, 1460, 1610, 1679, 1708, 1736, 1891, 2044, 2135, 2170, 2263, 2440, 2555, 2806, 2852, 2920, 3220, 3358, 3416, 3565, 3782, 4088, 4270, 4340, 4453, 4526, 4991, 5110, 5612, 5704, 6440, 6716, 7015, 7130, 7564, 8395, 8540, 8680, 8906, 9052, 9455, 9821, 9982, 10220, 11224, 11315, 11753, 13237, 13432, 14030, 14260, 15128, 15841, 16790, 17080, 17812, 18104, 18910, 19642, 19964, 20440, 22265, 22630, 23506, 24955, 26474, 28060, 28520, 31171, 31682, 33580, 35624, 37820, 39284, 39928, 43493, 44530, 45260, 47012, 49105, 49910, 52049, 52948, 56120, 58765, 62342, 63364, 66185, 67160, 75640, 78568, 79205, 86986, 89060, 90520, 94024, 98210, 99820, 102419, 104098, 105896, 117530, 124684, 126728, 132370, 138043, 155855, 158410, 173972, 178120, 196420, 199640, 204838, 208196, 217465, 235060, 249368, 260245, 264740, 276086, 304451, 311710, 316820, 347944, 364343, 392840, 409676, 416392, 434930, 470120, 512095, 520490, 529480, 552172, 608902, 623420, 633640, 690215, 716933, 728686, 819352, 869860, 966301, 1024190, 1040980, 1104344, 1217804, 1246840, 1380430, 1433866, 1457372, 1522255, 1739720, 1821715, 1932602, 2048380, 2081960, 2435608, 2760860, 2867732, 2914744, 3044510, 3174989, 3584665, 3643430, 3865204, 4096760, 4831505, 5521720, 5735464, 6089020, 6349978, 7169330, 7286860, 7730408, 9663010, 12178040, 12699956, 14338660, 14573720, 15874945, 19326020, 22224923, 25399912, 28677320, 31749890, 38652040, 44449846, 63499780, 88899692, 111124615, 126999560, 177799384, 222249230, 444498460, 888996920]

約数ペア:

[(1, 888996920), (2, 444498460), (4, 222249230), (5, 177799384), (7, 126999560), (8, 111124615), (10, 88899692), (14, 63499780), (20, 44449846), (23, 38652040), (28, 31749890), (31, 28677320), (35, 25399912), (40, 22224923), (46, 19326020), (56, 15874945), (61, 14573720), (62, 14338660), (70, 12699956), (73, 12178040), (92, 9663010), (115, 7730408), (122, 7286860), (124, 7169330), (140, 6349978), (146, 6089020), (155, 5735464), (161, 5521720), (184, 4831505), (217, 4096760), (230, 3865204), (244, 3643430), (248, 3584665), (280, 3174989), (292, 3044510), (305, 2914744), (310, 2867732), (322, 2760860), (365, 2435608), (427, 2081960), (434, 2048380), (460, 1932602), (488, 1821715), (511, 1739720), (584, 1522255), (610, 1457372), (620, 1433866), (644, 1380430), (713, 1246840), (730, 1217804), (805, 1104344), (854, 1040980), (868, 1024190), (920, 966301), (1022, 869860), (1085, 819352), (1220, 728686), (1240, 716933), (1288, 690215), (1403, 633640), (1426, 623420), (1460, 608902), (1610, 552172), (1679, 529480), (1708, 520490), (1736, 512095), (1891, 470120), (2044, 434930), (2135, 416392), (2170, 409676), (2263, 392840), (2440, 364343), (2555, 347944), (2806, 316820), (2852, 311710), (2920, 304451), (3220, 276086), (3358, 264740), (3416, 260245), (3565, 249368), (3782, 235060), (4088, 217465), (4270, 208196), (4340, 204838), (4453, 199640), (4526, 196420), (4991, 178120), (5110, 173972), (5612, 158410), (5704, 155855), (6440, 138043), (6716, 132370), (7015, 126728), (7130, 124684), (7564, 117530), (8395, 105896), (8540, 104098), (8680, 102419), (8906, 99820), (9052, 98210), (9455, 94024), (9821, 90520), (9982, 89060), (10220, 86986), (11224, 79205), (11315, 78568), (11753, 75640), (13237, 67160), (13432, 66185), (14030, 63364), (14260, 62342), (15128, 58765), (15841, 56120), (16790, 52948), (17080, 52049), (17812, 49910), (18104, 49105), (18910, 47012), (19642, 45260), (19964, 44530), (20440, 43493), (22265, 39928), (22630, 39284), (23506, 37820), (24955, 35624), (26474, 33580), (28060, 31682), (28520, 31171)]