4718780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 10977120

約数和(自身を除く): 6258340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 241, 356, 445, 482, 890, 964, 979, 1205, 1780, 1958, 2410, 2651, 3916, 4820, 4895, 5302, 9790, 10604, 13255, 19580, 21449, 26510, 42898, 53020, 85796, 107245, 214490, 235939, 428980, 471878, 943756, 1179695, 2359390, 4718780]

約数ペア:

[(1, 4718780), (2, 2359390), (4, 1179695), (5, 943756), (10, 471878), (11, 428980), (20, 235939), (22, 214490), (44, 107245), (55, 85796), (89, 53020), (110, 42898), (178, 26510), (220, 21449), (241, 19580), (356, 13255), (445, 10604), (482, 9790), (890, 5302), (964, 4895), (979, 4820), (1205, 3916), (1780, 2651), (1958, 2410)]