304870540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1172579}}^1$

素因数の和:1172601

約数の個数: 24

約数和(自身を含む): 689477040

約数和(自身を除く): 384606500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1172579, 2345158, 4690316, 5862895, 11725790, 15243527, 23451580, 30487054, 60974108, 76217635, 152435270, 304870540]

約数ペア:

[(1, 304870540), (2, 152435270), (4, 76217635), (5, 60974108), (10, 30487054), (13, 23451580), (20, 15243527), (26, 11725790), (52, 5862895), (65, 4690316), (130, 2345158), (260, 1172579)]