87411940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1831}}^1$

素因数の和:1889

約数の個数: 96

約数和(自身を含む): 236371968

約数和(自身を除く): 148960028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 682, 770, 868, 1085, 1364, 1540, 1705, 1831, 2170, 2387, 3410, 3662, 4340, 4774, 6820, 7324, 9155, 9548, 11935, 12817, 18310, 20141, 23870, 25634, 36620, 40282, 47740, 51268, 56761, 64085, 80564, 100705, 113522, 128170, 140987, 201410, 227044, 256340, 281974, 283805, 397327, 402820, 563948, 567610, 624371, 704935, 794654, 1135220, 1248742, 1409870, 1589308, 1986635, 2497484, 2819740, 3121855, 3973270, 4370597, 6243710, 7946540, 8741194, 12487420, 17482388, 21852985, 43705970, 87411940]

約数ペア:

[(1, 87411940), (2, 43705970), (4, 21852985), (5, 17482388), (7, 12487420), (10, 8741194), (11, 7946540), (14, 6243710), (20, 4370597), (22, 3973270), (28, 3121855), (31, 2819740), (35, 2497484), (44, 1986635), (55, 1589308), (62, 1409870), (70, 1248742), (77, 1135220), (110, 794654), (124, 704935), (140, 624371), (154, 567610), (155, 563948), (217, 402820), (220, 397327), (308, 283805), (310, 281974), (341, 256340), (385, 227044), (434, 201410), (620, 140987), (682, 128170), (770, 113522), (868, 100705), (1085, 80564), (1364, 64085), (1540, 56761), (1705, 51268), (1831, 47740), (2170, 40282), (2387, 36620), (3410, 25634), (3662, 23870), (4340, 20141), (4774, 18310), (6820, 12817), (7324, 11935), (9155, 9548)]