31949207980

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1471}}^1\times {\mathrm{6917}}^1$

素因数の和:8554

約数の個数: 48

約数和(自身を含む): 67576352256

約数和(自身を除く): 35627144276

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1471, 1570, 2942, 3140, 5884, 6917, 7355, 13834, 14710, 27668, 29420, 34585, 69170, 138340, 230947, 461894, 923788, 1085969, 1154735, 2171938, 2309470, 4343876, 4618940, 5429845, 10174907, 10859690, 20349814, 21719380, 40699628, 50874535, 101749070, 203498140, 1597460399, 3194920798, 6389841596, 7987301995, 15974603990, 31949207980]

約数ペア:

[(1, 31949207980), (2, 15974603990), (4, 7987301995), (5, 6389841596), (10, 3194920798), (20, 1597460399), (157, 203498140), (314, 101749070), (628, 50874535), (785, 40699628), (1471, 21719380), (1570, 20349814), (2942, 10859690), (3140, 10174907), (5884, 5429845), (6917, 4618940), (7355, 4343876), (13834, 2309470), (14710, 2171938), (27668, 1154735), (29420, 1085969), (34585, 923788), (69170, 461894), (138340, 230947)]