30018988

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 56881440

約数和(自身を除く): 26862452

約数列:

[1, 2, 4, 37, 43, 53, 74, 86, 89, 106, 148, 172, 178, 212, 356, 1591, 1961, 2279, 3182, 3293, 3827, 3922, 4558, 4717, 6364, 6586, 7654, 7844, 9116, 9434, 13172, 15308, 18868, 84323, 141599, 168646, 174529, 202831, 283198, 337292, 349058, 405662, 566396, 698116, 811324, 7504747, 15009494, 30018988]

約数ペア:

[(1, 30018988), (2, 15009494), (4, 7504747), (37, 811324), (43, 698116), (53, 566396), (74, 405662), (86, 349058), (89, 337292), (106, 283198), (148, 202831), (172, 174529), (178, 168646), (212, 141599), (356, 84323), (1591, 18868), (1961, 15308), (2279, 13172), (3182, 9434), (3293, 9116), (3827, 7844), (3922, 7654), (4558, 6586), (4717, 6364)]