1980871090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{3511}}^1$

素因数の和:3775

約数の個数: 64

約数和(自身を含む): 4078190592

約数和(自身を除く): 2097319502

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 223, 230, 253, 446, 506, 1115, 1265, 2230, 2453, 2530, 3511, 4906, 5129, 7022, 10258, 12265, 17555, 24530, 25645, 35110, 38621, 51290, 56419, 77242, 80753, 112838, 161506, 193105, 282095, 386210, 403765, 564190, 782953, 807530, 888283, 1565906, 1776566, 3914765, 4441415, 7829530, 8612483, 8882830, 17224966, 18007919, 36015838, 43062415, 86124830, 90039595, 180079190, 198087109, 396174218, 990435545, 1980871090]

約数ペア:

[(1, 1980871090), (2, 990435545), (5, 396174218), (10, 198087109), (11, 180079190), (22, 90039595), (23, 86124830), (46, 43062415), (55, 36015838), (110, 18007919), (115, 17224966), (223, 8882830), (230, 8612483), (253, 7829530), (446, 4441415), (506, 3914765), (1115, 1776566), (1265, 1565906), (2230, 888283), (2453, 807530), (2530, 782953), (3511, 564190), (4906, 403765), (5129, 386210), (7022, 282095), (10258, 193105), (12265, 161506), (17555, 112838), (24530, 80753), (25645, 77242), (35110, 56419), (38621, 51290)]