351139480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1423}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 820224000

約数和(自身を除く): 469084520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 199, 248, 310, 398, 620, 796, 995, 1240, 1423, 1592, 1990, 2846, 3980, 5692, 6169, 7115, 7960, 11384, 12338, 14230, 24676, 28460, 30845, 44113, 49352, 56920, 61690, 88226, 123380, 176452, 220565, 246760, 283177, 352904, 441130, 566354, 882260, 1132708, 1415885, 1764520, 2265416, 2831770, 5663540, 8778487, 11327080, 17556974, 35113948, 43892435, 70227896, 87784870, 175569740, 351139480]

約数ペア:

[(1, 351139480), (2, 175569740), (4, 87784870), (5, 70227896), (8, 43892435), (10, 35113948), (20, 17556974), (31, 11327080), (40, 8778487), (62, 5663540), (124, 2831770), (155, 2265416), (199, 1764520), (248, 1415885), (310, 1132708), (398, 882260), (620, 566354), (796, 441130), (995, 352904), (1240, 283177), (1423, 246760), (1592, 220565), (1990, 176452), (2846, 123380), (3980, 88226), (5692, 61690), (6169, 56920), (7115, 49352), (7960, 44113), (11384, 30845), (12338, 28460), (14230, 24676)]