887888980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1289}}^1$

素因数の和:1441

約数の個数: 96

約数和(自身を含む): 2122122240

約数和(自身を除く): 1234233260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 101, 110, 124, 155, 202, 220, 310, 341, 404, 505, 620, 682, 1010, 1111, 1289, 1364, 1705, 2020, 2222, 2578, 3131, 3410, 4444, 5156, 5555, 6262, 6445, 6820, 11110, 12524, 12890, 14179, 15655, 22220, 25780, 28358, 31310, 34441, 39959, 56716, 62620, 68882, 70895, 79918, 130189, 137764, 141790, 159836, 172205, 199795, 260378, 283580, 344410, 399590, 439549, 520756, 650945, 688820, 799180, 879098, 1301890, 1432079, 1758196, 2197745, 2603780, 2864158, 4035859, 4395490, 5728316, 7160395, 8071718, 8790980, 14320790, 16143436, 20179295, 28641580, 40358590, 44394449, 80717180, 88788898, 177577796, 221972245, 443944490, 887888980]

約数ペア:

[(1, 887888980), (2, 443944490), (4, 221972245), (5, 177577796), (10, 88788898), (11, 80717180), (20, 44394449), (22, 40358590), (31, 28641580), (44, 20179295), (55, 16143436), (62, 14320790), (101, 8790980), (110, 8071718), (124, 7160395), (155, 5728316), (202, 4395490), (220, 4035859), (310, 2864158), (341, 2603780), (404, 2197745), (505, 1758196), (620, 1432079), (682, 1301890), (1010, 879098), (1111, 799180), (1289, 688820), (1364, 650945), (1705, 520756), (2020, 439549), (2222, 399590), (2578, 344410), (3131, 283580), (3410, 260378), (4444, 199795), (5156, 172205), (5555, 159836), (6262, 141790), (6445, 137764), (6820, 130189), (11110, 79918), (12524, 70895), (12890, 68882), (14179, 62620), (15655, 56716), (22220, 39959), (25780, 34441), (28358, 31310)]