488889460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1\times {\mathrm{601}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 1042206480

約数和(自身を除く): 553317020

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 457, 601, 890, 914, 1202, 1780, 1828, 2285, 2404, 3005, 4570, 6010, 9140, 12020, 40673, 53489, 81346, 106978, 162692, 203365, 213956, 267445, 274657, 406730, 534890, 549314, 813460, 1069780, 1098628, 1373285, 2746570, 5493140, 24444473, 48888946, 97777892, 122222365, 244444730, 488889460]

約数ペア:

[(1, 488889460), (2, 244444730), (4, 122222365), (5, 97777892), (10, 48888946), (20, 24444473), (89, 5493140), (178, 2746570), (356, 1373285), (445, 1098628), (457, 1069780), (601, 813460), (890, 549314), (914, 534890), (1202, 406730), (1780, 274657), (1828, 267445), (2285, 213956), (2404, 203365), (3005, 162692), (4570, 106978), (6010, 81346), (9140, 53489), (12020, 40673)]