200995940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{7907}}^1$

素因数の和:7988

約数の個数: 48

約数和(自身を含む): 446390784

約数和(自身を除く): 245394844

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 5084, 6355, 7907, 12710, 15814, 25420, 31628, 39535, 79070, 158140, 245117, 324187, 490234, 648374, 980468, 1225585, 1296748, 1620935, 2451170, 3241870, 4902340, 6483740, 10049797, 20099594, 40199188, 50248985, 100497970, 200995940]

約数ペア:

[(1, 200995940), (2, 100497970), (4, 50248985), (5, 40199188), (10, 20099594), (20, 10049797), (31, 6483740), (41, 4902340), (62, 3241870), (82, 2451170), (124, 1620935), (155, 1296748), (164, 1225585), (205, 980468), (310, 648374), (410, 490234), (620, 324187), (820, 245117), (1271, 158140), (2542, 79070), (5084, 39535), (6355, 31628), (7907, 25420), (12710, 15814)]