30252340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 65402064

約数和(自身を除く): 35149724

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 137, 181, 244, 274, 305, 362, 548, 610, 685, 724, 905, 1220, 1370, 1810, 2740, 3620, 8357, 11041, 16714, 22082, 24797, 33428, 41785, 44164, 49594, 55205, 83570, 99188, 110410, 123985, 167140, 220820, 247970, 495940, 1512617, 3025234, 6050468, 7563085, 15126170, 30252340]

約数ペア:

[(1, 30252340), (2, 15126170), (4, 7563085), (5, 6050468), (10, 3025234), (20, 1512617), (61, 495940), (122, 247970), (137, 220820), (181, 167140), (244, 123985), (274, 110410), (305, 99188), (362, 83570), (548, 55205), (610, 49594), (685, 44164), (724, 41785), (905, 33428), (1220, 24797), (1370, 22082), (1810, 16714), (2740, 11041), (3620, 8357)]