349702940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{13757}}^1$

素因数の和:13838

約数の個数: 48

約数和(自身を含む): 776611584

約数和(自身を除く): 426908644

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, 12710, 13757, 25420, 27514, 55028, 68785, 137570, 275140, 426467, 564037, 852934, 1128074, 1705868, 2132335, 2256148, 2820185, 4264670, 5640370, 8529340, 11280740, 17485147, 34970294, 69940588, 87425735, 174851470, 349702940]

約数ペア:

[(1, 349702940), (2, 174851470), (4, 87425735), (5, 69940588), (10, 34970294), (20, 17485147), (31, 11280740), (41, 8529340), (62, 5640370), (82, 4264670), (124, 2820185), (155, 2256148), (164, 2132335), (205, 1705868), (310, 1128074), (410, 852934), (620, 564037), (820, 426467), (1271, 275140), (2542, 137570), (5084, 68785), (6355, 55028), (12710, 27514), (13757, 25420)]