31102120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{983}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 80766720

約数和(自身を除く): 49664600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 983, 1130, 1582, 1966, 2260, 3164, 3932, 3955, 4520, 4915, 6328, 6881, 7864, 7910, 9830, 13762, 15820, 19660, 27524, 31640, 34405, 39320, 55048, 68810, 111079, 137620, 222158, 275240, 444316, 555395, 777553, 888632, 1110790, 1555106, 2221580, 3110212, 3887765, 4443160, 6220424, 7775530, 15551060, 31102120]

約数ペア:

[(1, 31102120), (2, 15551060), (4, 7775530), (5, 6220424), (7, 4443160), (8, 3887765), (10, 3110212), (14, 2221580), (20, 1555106), (28, 1110790), (35, 888632), (40, 777553), (56, 555395), (70, 444316), (113, 275240), (140, 222158), (226, 137620), (280, 111079), (452, 68810), (565, 55048), (791, 39320), (904, 34405), (983, 31640), (1130, 27524), (1582, 19660), (1966, 15820), (2260, 13762), (3164, 9830), (3932, 7910), (3955, 7864), (4520, 6881), (4915, 6328)]