1569697820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{20857}}^1$

素因数の和:20990

約数の個数: 48

約数和(自身を含む): 3406027968

約数和(自身を除く): 1836330148

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 106, 142, 212, 265, 284, 355, 530, 710, 1060, 1420, 3763, 7526, 15052, 18815, 20857, 37630, 41714, 75260, 83428, 104285, 208570, 417140, 1105421, 1480847, 2210842, 2961694, 4421684, 5527105, 5923388, 7404235, 11054210, 14808470, 22108420, 29616940, 78484891, 156969782, 313939564, 392424455, 784848910, 1569697820]

約数ペア:

[(1, 1569697820), (2, 784848910), (4, 392424455), (5, 313939564), (10, 156969782), (20, 78484891), (53, 29616940), (71, 22108420), (106, 14808470), (142, 11054210), (212, 7404235), (265, 5923388), (284, 5527105), (355, 4421684), (530, 2961694), (710, 2210842), (1060, 1480847), (1420, 1105421), (3763, 417140), (7526, 208570), (15052, 104285), (18815, 83428), (20857, 75260), (37630, 41714)]