310291220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1\times {\mathrm{547}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 661203648

約数和(自身を除く): 350912428

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 251, 452, 502, 547, 565, 1004, 1094, 1130, 1255, 2188, 2260, 2510, 2735, 5020, 5470, 10940, 28363, 56726, 61811, 113452, 123622, 137297, 141815, 247244, 274594, 283630, 309055, 549188, 567260, 618110, 686485, 1236220, 1372970, 2745940, 15514561, 31029122, 62058244, 77572805, 155145610, 310291220]

約数ペア:

[(1, 310291220), (2, 155145610), (4, 77572805), (5, 62058244), (10, 31029122), (20, 15514561), (113, 2745940), (226, 1372970), (251, 1236220), (452, 686485), (502, 618110), (547, 567260), (565, 549188), (1004, 309055), (1094, 283630), (1130, 274594), (1255, 247244), (2188, 141815), (2260, 137297), (2510, 123622), (2735, 113452), (5020, 61811), (5470, 56726), (10940, 28363)]