497156920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{30841}}^1$

素因数の和:30896

約数の個数: 64

約数和(自身を含む): 1243549440

約数和(自身を除く): 746392520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 30841, 61682, 123364, 154205, 246728, 308410, 400933, 616820, 801866, 956071, 1233640, 1603732, 1912142, 2004665, 3207464, 3824284, 4009330, 4780355, 7648568, 8018660, 9560710, 12428923, 16037320, 19121420, 24857846, 38242840, 49715692, 62144615, 99431384, 124289230, 248578460, 497156920]

約数ペア:

[(1, 497156920), (2, 248578460), (4, 124289230), (5, 99431384), (8, 62144615), (10, 49715692), (13, 38242840), (20, 24857846), (26, 19121420), (31, 16037320), (40, 12428923), (52, 9560710), (62, 8018660), (65, 7648568), (104, 4780355), (124, 4009330), (130, 3824284), (155, 3207464), (248, 2004665), (260, 1912142), (310, 1603732), (403, 1233640), (520, 956071), (620, 801866), (806, 616820), (1240, 400933), (1612, 308410), (2015, 246728), (3224, 154205), (4030, 123364), (8060, 61682), (16120, 30841)]