40212340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1169

約数の個数: 72

約数和(自身を含む): 100978920

約数和(自身を除く): 60766580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1109, 1295, 1813, 2218, 2590, 3626, 4436, 5180, 5545, 7252, 7763, 9065, 11090, 15526, 18130, 22180, 31052, 36260, 38815, 41033, 54341, 77630, 82066, 108682, 155260, 164132, 205165, 217364, 271705, 287231, 410330, 543410, 574462, 820660, 1086820, 1148924, 1436155, 2010617, 2872310, 4021234, 5744620, 8042468, 10053085, 20106170, 40212340]

約数ペア:

[(1, 40212340), (2, 20106170), (4, 10053085), (5, 8042468), (7, 5744620), (10, 4021234), (14, 2872310), (20, 2010617), (28, 1436155), (35, 1148924), (37, 1086820), (49, 820660), (70, 574462), (74, 543410), (98, 410330), (140, 287231), (148, 271705), (185, 217364), (196, 205165), (245, 164132), (259, 155260), (370, 108682), (490, 82066), (518, 77630), (740, 54341), (980, 41033), (1036, 38815), (1109, 36260), (1295, 31052), (1813, 22180), (2218, 18130), (2590, 15526), (3626, 11090), (4436, 9065), (5180, 7763), (5545, 7252)]