31945480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 82644480

約数和(自身を除く): 50699000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 421, 542, 842, 1084, 1355, 1684, 1897, 2105, 2168, 2710, 2947, 3368, 3794, 4210, 5420, 5894, 7588, 8420, 9485, 10840, 11788, 14735, 15176, 16840, 18970, 23576, 29470, 37940, 58940, 75880, 114091, 117880, 228182, 456364, 570455, 798637, 912728, 1140910, 1597274, 2281820, 3194548, 3993185, 4563640, 6389096, 7986370, 15972740, 31945480]

約数ペア:

[(1, 31945480), (2, 15972740), (4, 7986370), (5, 6389096), (7, 4563640), (8, 3993185), (10, 3194548), (14, 2281820), (20, 1597274), (28, 1140910), (35, 912728), (40, 798637), (56, 570455), (70, 456364), (140, 228182), (271, 117880), (280, 114091), (421, 75880), (542, 58940), (842, 37940), (1084, 29470), (1355, 23576), (1684, 18970), (1897, 16840), (2105, 15176), (2168, 14735), (2710, 11788), (2947, 10840), (3368, 9485), (3794, 8420), (4210, 7588), (5420, 5894)]