1020199180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:560

約数の個数: 192

約数和(自身を含む): 2905943040

約数和(自身を除く): 1885743860

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 131, 140, 143, 154, 182, 220, 260, 262, 286, 308, 364, 385, 389, 455, 524, 572, 655, 715, 770, 778, 910, 917, 1001, 1310, 1430, 1441, 1540, 1556, 1703, 1820, 1834, 1945, 2002, 2620, 2723, 2860, 2882, 3406, 3668, 3890, 4004, 4279, 4585, 5005, 5057, 5446, 5764, 6812, 7205, 7780, 8515, 8558, 9170, 10010, 10087, 10114, 10892, 11921, 13615, 14410, 17030, 17116, 18340, 18733, 20020, 20174, 20228, 21395, 23842, 25285, 27230, 28820, 29953, 34060, 35399, 37466, 40348, 42790, 47684, 50435, 50570, 50959, 54460, 55627, 59605, 59906, 70798, 74932, 85580, 93665, 100870, 101140, 101918, 111254, 119210, 119812, 131131, 141596, 149765, 176995, 187330, 201740, 203836, 222508, 238420, 254795, 262262, 278135, 299530, 353990, 356713, 374660, 389389, 509590, 524524, 556270, 560549, 599060, 655655, 662467, 707980, 713426, 778778, 1019180, 1112540, 1121098, 1311310, 1324934, 1426852, 1557556, 1783565, 1946945, 2242196, 2622620, 2649868, 2802745, 3312335, 3567130, 3893890, 3923843, 4637269, 5605490, 6624670, 7134260, 7287137, 7787780, 7847686, 9274538, 11210980, 13249340, 14574274, 15695372, 18549076, 19619215, 23186345, 29148548, 36435685, 39238430, 46372690, 51009959, 72871370, 78476860, 92745380, 102019918, 145742740, 204039836, 255049795, 510099590, 1020199180]

約数ペア:

[(1, 1020199180), (2, 510099590), (4, 255049795), (5, 204039836), (7, 145742740), (10, 102019918), (11, 92745380), (13, 78476860), (14, 72871370), (20, 51009959), (22, 46372690), (26, 39238430), (28, 36435685), (35, 29148548), (44, 23186345), (52, 19619215), (55, 18549076), (65, 15695372), (70, 14574274), (77, 13249340), (91, 11210980), (110, 9274538), (130, 7847686), (131, 7787780), (140, 7287137), (143, 7134260), (154, 6624670), (182, 5605490), (220, 4637269), (260, 3923843), (262, 3893890), (286, 3567130), (308, 3312335), (364, 2802745), (385, 2649868), (389, 2622620), (455, 2242196), (524, 1946945), (572, 1783565), (655, 1557556), (715, 1426852), (770, 1324934), (778, 1311310), (910, 1121098), (917, 1112540), (1001, 1019180), (1310, 778778), (1430, 713426), (1441, 707980), (1540, 662467), (1556, 655655), (1703, 599060), (1820, 560549), (1834, 556270), (1945, 524524), (2002, 509590), (2620, 389389), (2723, 374660), (2860, 356713), (2882, 353990), (3406, 299530), (3668, 278135), (3890, 262262), (4004, 254795), (4279, 238420), (4585, 222508), (5005, 203836), (5057, 201740), (5446, 187330), (5764, 176995), (6812, 149765), (7205, 141596), (7780, 131131), (8515, 119812), (8558, 119210), (9170, 111254), (10010, 101918), (10087, 101140), (10114, 100870), (10892, 93665), (11921, 85580), (13615, 74932), (14410, 70798), (17030, 59906), (17116, 59605), (18340, 55627), (18733, 54460), (20020, 50959), (20174, 50570), (20228, 50435), (21395, 47684), (23842, 42790), (25285, 40348), (27230, 37466), (28820, 35399), (29953, 34060)]