31357060

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{653}}^1$

素因数の和:690

約数の個数: 60

約数和(自身を含む): 76937868

約数和(自身を除く): 45580808

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 653, 686, 980, 1306, 1372, 1715, 2401, 2612, 3265, 3430, 4571, 4802, 6530, 6860, 9142, 9604, 12005, 13060, 18284, 22855, 24010, 31997, 45710, 48020, 63994, 91420, 127988, 159985, 223979, 319970, 447958, 639940, 895916, 1119895, 1567853, 2239790, 3135706, 4479580, 6271412, 7839265, 15678530, 31357060]

約数ペア:

[(1, 31357060), (2, 15678530), (4, 7839265), (5, 6271412), (7, 4479580), (10, 3135706), (14, 2239790), (20, 1567853), (28, 1119895), (35, 895916), (49, 639940), (70, 447958), (98, 319970), (140, 223979), (196, 159985), (245, 127988), (343, 91420), (490, 63994), (653, 48020), (686, 45710), (980, 31997), (1306, 24010), (1372, 22855), (1715, 18284), (2401, 13060), (2612, 12005), (3265, 9604), (3430, 9142), (4571, 6860), (4802, 6530)]