905395540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{11131}}^1$

素因数の和:11237

約数の個数: 72

約数和(自身を含む): 2238600672

約数和(自身を除く): 1333205132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 415, 490, 581, 830, 980, 1162, 1660, 2324, 2905, 4067, 5810, 8134, 11131, 11620, 16268, 20335, 22262, 40670, 44524, 55655, 77917, 81340, 111310, 155834, 222620, 311668, 389585, 545419, 779170, 923873, 1090838, 1558340, 1847746, 2181676, 2727095, 3695492, 4619365, 5454190, 6467111, 9238730, 10908380, 12934222, 18477460, 25868444, 32335555, 45269777, 64671110, 90539554, 129342220, 181079108, 226348885, 452697770, 905395540]

約数ペア:

[(1, 905395540), (2, 452697770), (4, 226348885), (5, 181079108), (7, 129342220), (10, 90539554), (14, 64671110), (20, 45269777), (28, 32335555), (35, 25868444), (49, 18477460), (70, 12934222), (83, 10908380), (98, 9238730), (140, 6467111), (166, 5454190), (196, 4619365), (245, 3695492), (332, 2727095), (415, 2181676), (490, 1847746), (581, 1558340), (830, 1090838), (980, 923873), (1162, 779170), (1660, 545419), (2324, 389585), (2905, 311668), (4067, 222620), (5810, 155834), (8134, 111310), (11131, 81340), (11620, 77917), (16268, 55655), (20335, 44524), (22262, 40670)]