31000450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1351

約数の個数: 48

約数和(自身を含む): 63824040

約数和(自身を除く): 32823590

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 130, 185, 325, 370, 481, 650, 925, 962, 1289, 1850, 2405, 2578, 4810, 6445, 12025, 12890, 16757, 24050, 32225, 33514, 47693, 64450, 83785, 95386, 167570, 238465, 418925, 476930, 620009, 837850, 1192325, 1240018, 2384650, 3100045, 6200090, 15500225, 31000450]

約数ペア:

[(1, 31000450), (2, 15500225), (5, 6200090), (10, 3100045), (13, 2384650), (25, 1240018), (26, 1192325), (37, 837850), (50, 620009), (65, 476930), (74, 418925), (130, 238465), (185, 167570), (325, 95386), (370, 83785), (481, 64450), (650, 47693), (925, 33514), (962, 32225), (1289, 24050), (1850, 16757), (2405, 12890), (2578, 12025), (4810, 6445)]