1805267940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{42557}}^1$

素因数の和:42677

約数の個数: 96

約数和(自身を含む): 5834191104

約数和(自身を除く): 4028923164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 505, 606, 707, 1010, 1212, 1414, 1515, 2020, 2121, 2828, 3030, 3535, 4242, 6060, 7070, 8484, 10605, 14140, 21210, 42420, 42557, 85114, 127671, 170228, 212785, 255342, 297899, 425570, 510684, 595798, 638355, 851140, 893697, 1191596, 1276710, 1489495, 1787394, 2553420, 2978990, 3574788, 4298257, 4468485, 5957980, 8596514, 8936970, 12894771, 17193028, 17873940, 21491285, 25789542, 30087799, 42982570, 51579084, 60175598, 64473855, 85965140, 90263397, 120351196, 128947710, 150438995, 180526794, 257895420, 300877990, 361053588, 451316985, 601755980, 902633970, 1805267940]

約数ペア:

[(1, 1805267940), (2, 902633970), (3, 601755980), (4, 451316985), (5, 361053588), (6, 300877990), (7, 257895420), (10, 180526794), (12, 150438995), (14, 128947710), (15, 120351196), (20, 90263397), (21, 85965140), (28, 64473855), (30, 60175598), (35, 51579084), (42, 42982570), (60, 30087799), (70, 25789542), (84, 21491285), (101, 17873940), (105, 17193028), (140, 12894771), (202, 8936970), (210, 8596514), (303, 5957980), (404, 4468485), (420, 4298257), (505, 3574788), (606, 2978990), (707, 2553420), (1010, 1787394), (1212, 1489495), (1414, 1276710), (1515, 1191596), (2020, 893697), (2121, 851140), (2828, 638355), (3030, 595798), (3535, 510684), (4242, 425570), (6060, 297899), (7070, 255342), (8484, 212785), (10605, 170228), (14140, 127671), (21210, 85114), (42420, 42557)]