817967260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{1489}}^1$

素因数の和:1747

約数の個数: 72

約数和(自身を含む): 1897675920

約数和(自身を除く): 1079708660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 227, 242, 454, 484, 605, 908, 1135, 1210, 1489, 2270, 2420, 2497, 2978, 4540, 4994, 5956, 7445, 9988, 12485, 14890, 16379, 24970, 27467, 29780, 32758, 49940, 54934, 65516, 81895, 109868, 137335, 163790, 180169, 274670, 327580, 338003, 360338, 549340, 676006, 720676, 900845, 1352012, 1690015, 1801690, 3380030, 3603380, 3718033, 6760060, 7436066, 14872132, 18590165, 37180330, 40898363, 74360660, 81796726, 163593452, 204491815, 408983630, 817967260]

約数ペア:

[(1, 817967260), (2, 408983630), (4, 204491815), (5, 163593452), (10, 81796726), (11, 74360660), (20, 40898363), (22, 37180330), (44, 18590165), (55, 14872132), (110, 7436066), (121, 6760060), (220, 3718033), (227, 3603380), (242, 3380030), (454, 1801690), (484, 1690015), (605, 1352012), (908, 900845), (1135, 720676), (1210, 676006), (1489, 549340), (2270, 360338), (2420, 338003), (2497, 327580), (2978, 274670), (4540, 180169), (4994, 163790), (5956, 137335), (7445, 109868), (9988, 81895), (12485, 65516), (14890, 54934), (16379, 49940), (24970, 32758), (27467, 29780)]