202030780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:695

約数の個数: 96

約数和(自身を含む): 505717632

約数和(自身を除く): 303686852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 61, 70, 82, 122, 140, 164, 205, 244, 287, 305, 410, 427, 574, 577, 610, 820, 854, 1148, 1154, 1220, 1435, 1708, 2135, 2308, 2501, 2870, 2885, 4039, 4270, 5002, 5740, 5770, 8078, 8540, 10004, 11540, 12505, 16156, 17507, 20195, 23657, 25010, 35014, 35197, 40390, 47314, 50020, 70028, 70394, 80780, 87535, 94628, 118285, 140788, 165599, 175070, 175985, 236570, 246379, 331198, 350140, 351970, 473140, 492758, 662396, 703940, 827995, 985516, 1231895, 1443077, 1655990, 2463790, 2886154, 3311980, 4927580, 5772308, 7215385, 10101539, 14430770, 20203078, 28861540, 40406156, 50507695, 101015390, 202030780]

約数ペア:

[(1, 202030780), (2, 101015390), (4, 50507695), (5, 40406156), (7, 28861540), (10, 20203078), (14, 14430770), (20, 10101539), (28, 7215385), (35, 5772308), (41, 4927580), (61, 3311980), (70, 2886154), (82, 2463790), (122, 1655990), (140, 1443077), (164, 1231895), (205, 985516), (244, 827995), (287, 703940), (305, 662396), (410, 492758), (427, 473140), (574, 351970), (577, 350140), (610, 331198), (820, 246379), (854, 236570), (1148, 175985), (1154, 175070), (1220, 165599), (1435, 140788), (1708, 118285), (2135, 94628), (2308, 87535), (2501, 80780), (2870, 70394), (2885, 70028), (4039, 50020), (4270, 47314), (5002, 40390), (5740, 35197), (5770, 35014), (8078, 25010), (8540, 23657), (10004, 20195), (11540, 17507), (12505, 16156)]