140346920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:128

約数の個数: 256

約数和(自身を含む): 420249600

約数和(自身を除く): 279902680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 31, 35, 37, 38, 40, 46, 56, 62, 70, 74, 76, 92, 95, 115, 124, 133, 140, 148, 152, 155, 161, 184, 185, 190, 217, 230, 248, 259, 266, 280, 296, 310, 322, 370, 380, 434, 437, 460, 518, 532, 589, 620, 644, 665, 703, 713, 740, 760, 805, 851, 868, 874, 920, 1036, 1064, 1085, 1147, 1178, 1240, 1288, 1295, 1330, 1406, 1426, 1480, 1610, 1702, 1736, 1748, 2072, 2170, 2185, 2294, 2356, 2590, 2660, 2812, 2852, 2945, 3059, 3220, 3404, 3496, 3515, 3565, 4123, 4255, 4340, 4370, 4588, 4712, 4921, 4991, 5180, 5320, 5624, 5704, 5735, 5890, 5957, 6118, 6440, 6808, 7030, 7130, 8029, 8246, 8510, 8680, 8740, 9176, 9842, 9982, 10360, 11470, 11780, 11914, 12236, 13547, 14060, 14260, 15295, 16058, 16169, 16492, 17020, 17480, 19684, 19964, 20615, 21793, 22940, 23560, 23828, 24472, 24605, 24955, 26381, 27094, 28120, 28520, 29785, 30590, 32116, 32338, 32984, 34040, 39368, 39928, 40145, 41230, 43586, 45880, 47656, 49210, 49910, 52762, 54188, 59570, 61180, 64232, 64676, 67735, 80290, 80845, 82460, 87172, 94829, 98420, 99820, 105524, 108376, 108965, 113183, 119140, 122360, 129352, 131905, 135470, 152551, 160580, 161690, 164920, 174344, 184667, 189658, 196840, 199640, 211048, 217930, 226366, 238280, 263810, 270940, 305102, 321160, 323380, 369334, 379316, 435860, 452732, 474145, 501239, 527620, 541880, 565915, 610204, 646760, 738668, 758632, 762755, 871720, 905464, 923335, 948290, 1002478, 1055240, 1131830, 1220408, 1477336, 1525510, 1846670, 1896580, 2004956, 2263660, 2506195, 3051020, 3508673, 3693340, 3793160, 4009912, 4527320, 5012390, 6102040, 7017346, 7386680, 10024780, 14034692, 17543365, 20049560, 28069384, 35086730, 70173460, 140346920]

約数ペア:

[(1, 140346920), (2, 70173460), (4, 35086730), (5, 28069384), (7, 20049560), (8, 17543365), (10, 14034692), (14, 10024780), (19, 7386680), (20, 7017346), (23, 6102040), (28, 5012390), (31, 4527320), (35, 4009912), (37, 3793160), (38, 3693340), (40, 3508673), (46, 3051020), (56, 2506195), (62, 2263660), (70, 2004956), (74, 1896580), (76, 1846670), (92, 1525510), (95, 1477336), (115, 1220408), (124, 1131830), (133, 1055240), (140, 1002478), (148, 948290), (152, 923335), (155, 905464), (161, 871720), (184, 762755), (185, 758632), (190, 738668), (217, 646760), (230, 610204), (248, 565915), (259, 541880), (266, 527620), (280, 501239), (296, 474145), (310, 452732), (322, 435860), (370, 379316), (380, 369334), (434, 323380), (437, 321160), (460, 305102), (518, 270940), (532, 263810), (589, 238280), (620, 226366), (644, 217930), (665, 211048), (703, 199640), (713, 196840), (740, 189658), (760, 184667), (805, 174344), (851, 164920), (868, 161690), (874, 160580), (920, 152551), (1036, 135470), (1064, 131905), (1085, 129352), (1147, 122360), (1178, 119140), (1240, 113183), (1288, 108965), (1295, 108376), (1330, 105524), (1406, 99820), (1426, 98420), (1480, 94829), (1610, 87172), (1702, 82460), (1736, 80845), (1748, 80290), (2072, 67735), (2170, 64676), (2185, 64232), (2294, 61180), (2356, 59570), (2590, 54188), (2660, 52762), (2812, 49910), (2852, 49210), (2945, 47656), (3059, 45880), (3220, 43586), (3404, 41230), (3496, 40145), (3515, 39928), (3565, 39368), (4123, 34040), (4255, 32984), (4340, 32338), (4370, 32116), (4588, 30590), (4712, 29785), (4921, 28520), (4991, 28120), (5180, 27094), (5320, 26381), (5624, 24955), (5704, 24605), (5735, 24472), (5890, 23828), (5957, 23560), (6118, 22940), (6440, 21793), (6808, 20615), (7030, 19964), (7130, 19684), (8029, 17480), (8246, 17020), (8510, 16492), (8680, 16169), (8740, 16058), (9176, 15295), (9842, 14260), (9982, 14060), (10360, 13547), (11470, 12236), (11780, 11914)]