90015940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2963}}^1$

素因数の和:3017

約数の個数: 72

約数和(自身を含む): 227066112

約数和(自身を除く): 137050172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 2963, 3038, 4340, 5926, 6076, 7595, 11852, 14815, 15190, 20741, 29630, 30380, 41482, 59260, 82964, 91853, 103705, 145187, 183706, 207410, 290374, 367412, 414820, 459265, 580748, 642971, 725935, 918530, 1285942, 1451870, 1837060, 2571884, 2903740, 3214855, 4500797, 6429710, 9001594, 12859420, 18003188, 22503985, 45007970, 90015940]

約数ペア:

[(1, 90015940), (2, 45007970), (4, 22503985), (5, 18003188), (7, 12859420), (10, 9001594), (14, 6429710), (20, 4500797), (28, 3214855), (31, 2903740), (35, 2571884), (49, 1837060), (62, 1451870), (70, 1285942), (98, 918530), (124, 725935), (140, 642971), (155, 580748), (196, 459265), (217, 414820), (245, 367412), (310, 290374), (434, 207410), (490, 183706), (620, 145187), (868, 103705), (980, 91853), (1085, 82964), (1519, 59260), (2170, 41482), (2963, 30380), (3038, 29630), (4340, 20741), (5926, 15190), (6076, 14815), (7595, 11852)]