287750480

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97213}}^1$

素因数の和:97263

約数の個数: 40

約数和(自身を含む): 687108552

約数和(自身を除く): 399358072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 97213, 194426, 388852, 486065, 777704, 972130, 1555408, 1944260, 3596881, 3888520, 7193762, 7777040, 14387524, 17984405, 28775048, 35968810, 57550096, 71937620, 143875240, 287750480]

約数ペア:

[(1, 287750480), (2, 143875240), (4, 71937620), (5, 57550096), (8, 35968810), (10, 28775048), (16, 17984405), (20, 14387524), (37, 7777040), (40, 7193762), (74, 3888520), (80, 3596881), (148, 1944260), (185, 1555408), (296, 972130), (370, 777704), (592, 486065), (740, 388852), (1480, 194426), (2960, 97213)]