2151920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:777

約数の個数: 40

約数和(自身を含む): 5145504

約数和(自身を除く): 2993584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 727, 740, 1454, 1480, 2908, 2960, 3635, 5816, 7270, 11632, 14540, 26899, 29080, 53798, 58160, 107596, 134495, 215192, 268990, 430384, 537980, 1075960, 2151920]

約数ペア:

[(1, 2151920), (2, 1075960), (4, 537980), (5, 430384), (8, 268990), (10, 215192), (16, 134495), (20, 107596), (37, 58160), (40, 53798), (74, 29080), (80, 26899), (148, 14540), (185, 11632), (296, 7270), (370, 5816), (592, 3635), (727, 2960), (740, 2908), (1454, 1480)]