291768540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{99241}}^1$

素因数の和:99267

約数の個数: 72

約数和(自身を含む): 950341392

約数和(自身を除く): 658572852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 99241, 198482, 297723, 396964, 496205, 595446, 694687, 992410, 1190892, 1389374, 1488615, 1984820, 2084061, 2778748, 2977230, 3473435, 4168122, 4862809, 5954460, 6946870, 8336244, 9725618, 10420305, 13893740, 14588427, 19451236, 20840610, 24314045, 29176854, 41681220, 48628090, 58353708, 72942135, 97256180, 145884270, 291768540]

約数ペア:

[(1, 291768540), (2, 145884270), (3, 97256180), (4, 72942135), (5, 58353708), (6, 48628090), (7, 41681220), (10, 29176854), (12, 24314045), (14, 20840610), (15, 19451236), (20, 14588427), (21, 13893740), (28, 10420305), (30, 9725618), (35, 8336244), (42, 6946870), (49, 5954460), (60, 4862809), (70, 4168122), (84, 3473435), (98, 2977230), (105, 2778748), (140, 2084061), (147, 1984820), (196, 1488615), (210, 1389374), (245, 1190892), (294, 992410), (420, 694687), (490, 595446), (588, 496205), (735, 396964), (980, 297723), (1470, 198482), (2940, 99241)]