31217620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7193}}^1$

素因数の和:7240

約数の個数: 48

約数和(自身を含む): 77349888

約数和(自身を除く): 46132268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 7193, 14386, 28772, 35965, 50351, 71930, 100702, 143860, 201404, 222983, 251755, 445966, 503510, 891932, 1007020, 1114915, 1560881, 2229830, 3121762, 4459660, 6243524, 7804405, 15608810, 31217620]

約数ペア:

[(1, 31217620), (2, 15608810), (4, 7804405), (5, 6243524), (7, 4459660), (10, 3121762), (14, 2229830), (20, 1560881), (28, 1114915), (31, 1007020), (35, 891932), (62, 503510), (70, 445966), (124, 251755), (140, 222983), (155, 201404), (217, 143860), (310, 100702), (434, 71930), (620, 50351), (868, 35965), (1085, 28772), (2170, 14386), (4340, 7193)]