40435780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 112154112

約数和(自身を除く): 71718332

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 121, 124, 140, 154, 155, 196, 217, 220, 242, 245, 308, 310, 341, 385, 434, 484, 490, 539, 605, 620, 682, 770, 847, 868, 980, 1078, 1085, 1210, 1331, 1364, 1519, 1540, 1694, 1705, 2156, 2170, 2387, 2420, 2662, 2695, 3038, 3388, 3410, 3751, 4235, 4340, 4774, 5324, 5390, 5929, 6076, 6655, 6820, 7502, 7595, 8470, 9317, 9548, 10780, 11858, 11935, 13310, 15004, 15190, 16709, 16940, 18634, 18755, 23716, 23870, 26257, 26620, 29645, 30380, 33418, 37268, 37510, 41261, 46585, 47740, 52514, 59290, 65219, 66836, 75020, 82522, 83545, 93170, 105028, 118580, 130438, 131285, 165044, 167090, 183799, 186340, 206305, 260876, 262570, 288827, 326095, 334180, 367598, 412610, 525140, 577654, 652190, 735196, 825220, 918995, 1155308, 1304380, 1444135, 1837990, 2021789, 2888270, 3675980, 4043578, 5776540, 8087156, 10108945, 20217890, 40435780]

約数ペア:

[(1, 40435780), (2, 20217890), (4, 10108945), (5, 8087156), (7, 5776540), (10, 4043578), (11, 3675980), (14, 2888270), (20, 2021789), (22, 1837990), (28, 1444135), (31, 1304380), (35, 1155308), (44, 918995), (49, 825220), (55, 735196), (62, 652190), (70, 577654), (77, 525140), (98, 412610), (110, 367598), (121, 334180), (124, 326095), (140, 288827), (154, 262570), (155, 260876), (196, 206305), (217, 186340), (220, 183799), (242, 167090), (245, 165044), (308, 131285), (310, 130438), (341, 118580), (385, 105028), (434, 93170), (484, 83545), (490, 82522), (539, 75020), (605, 66836), (620, 65219), (682, 59290), (770, 52514), (847, 47740), (868, 46585), (980, 41261), (1078, 37510), (1085, 37268), (1210, 33418), (1331, 30380), (1364, 29645), (1519, 26620), (1540, 26257), (1694, 23870), (1705, 23716), (2156, 18755), (2170, 18634), (2387, 16940), (2420, 16709), (2662, 15190), (2695, 15004), (3038, 13310), (3388, 11935), (3410, 11858), (3751, 10780), (4235, 9548), (4340, 9317), (4774, 8470), (5324, 7595), (5390, 7502), (5929, 6820), (6076, 6655)]