30306220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6983}}^1$

素因数の和:7030

約数の個数: 48

約数和(自身を含む): 75091968

約数和(自身を除く): 44785748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 6983, 13966, 27932, 34915, 48881, 69830, 97762, 139660, 195524, 216473, 244405, 432946, 488810, 865892, 977620, 1082365, 1515311, 2164730, 3030622, 4329460, 6061244, 7576555, 15153110, 30306220]

約数ペア:

[(1, 30306220), (2, 15153110), (4, 7576555), (5, 6061244), (7, 4329460), (10, 3030622), (14, 2164730), (20, 1515311), (28, 1082365), (31, 977620), (35, 865892), (62, 488810), (70, 432946), (124, 244405), (140, 216473), (155, 195524), (217, 139660), (310, 97762), (434, 69830), (620, 48881), (868, 34915), (1085, 27932), (2170, 13966), (4340, 6983)]