31312870

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 57620160

約数和(自身を除く): 26307290

約数列:

[1, 2, 5, 10, 89, 151, 178, 233, 302, 445, 466, 755, 890, 1165, 1510, 2330, 13439, 20737, 26878, 35183, 41474, 67195, 70366, 103685, 134390, 175915, 207370, 351830, 3131287, 6262574, 15656435, 31312870]

約数ペア:

[(1, 31312870), (2, 15656435), (5, 6262574), (10, 3131287), (89, 351830), (151, 207370), (178, 175915), (233, 134390), (302, 103685), (445, 70366), (466, 67195), (755, 41474), (890, 35183), (1165, 26878), (1510, 20737), (2330, 13439)]