82572820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 192717000

約数和(自身を除く): 110144180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 149, 220, 229, 242, 298, 458, 484, 596, 605, 745, 916, 1145, 1210, 1490, 1639, 2290, 2420, 2519, 2980, 3278, 4580, 5038, 6556, 8195, 10076, 12595, 16390, 18029, 25190, 27709, 32780, 34121, 36058, 50380, 55418, 68242, 72116, 90145, 110836, 136484, 138545, 170605, 180290, 277090, 341210, 360580, 375331, 554180, 682420, 750662, 1501324, 1876655, 3753310, 4128641, 7506620, 8257282, 16514564, 20643205, 41286410, 82572820]

約数ペア:

[(1, 82572820), (2, 41286410), (4, 20643205), (5, 16514564), (10, 8257282), (11, 7506620), (20, 4128641), (22, 3753310), (44, 1876655), (55, 1501324), (110, 750662), (121, 682420), (149, 554180), (220, 375331), (229, 360580), (242, 341210), (298, 277090), (458, 180290), (484, 170605), (596, 138545), (605, 136484), (745, 110836), (916, 90145), (1145, 72116), (1210, 68242), (1490, 55418), (1639, 50380), (2290, 36058), (2420, 34121), (2519, 32780), (2980, 27709), (3278, 25190), (4580, 18029), (5038, 16390), (6556, 12595), (8195, 10076)]