131185740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{44621}}^1$

素因数の和:44647

約数の個数: 72

約数和(自身を含む): 427300272

約数和(自身を除く): 296114532

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, 44621, 89242, 133863, 178484, 223105, 267726, 312347, 446210, 535452, 624694, 669315, 892420, 937041, 1249388, 1338630, 1561735, 1874082, 2186429, 2677260, 3123470, 3748164, 4372858, 4685205, 6246940, 6559287, 8745716, 9370410, 10932145, 13118574, 18740820, 21864290, 26237148, 32796435, 43728580, 65592870, 131185740]

約数ペア:

[(1, 131185740), (2, 65592870), (3, 43728580), (4, 32796435), (5, 26237148), (6, 21864290), (7, 18740820), (10, 13118574), (12, 10932145), (14, 9370410), (15, 8745716), (20, 6559287), (21, 6246940), (28, 4685205), (30, 4372858), (35, 3748164), (42, 3123470), (49, 2677260), (60, 2186429), (70, 1874082), (84, 1561735), (98, 1338630), (105, 1249388), (140, 937041), (147, 892420), (196, 669315), (210, 624694), (245, 535452), (294, 446210), (420, 312347), (490, 267726), (588, 223105), (735, 178484), (980, 133863), (1470, 89242), (2940, 44621)]