390860405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{2053}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 527960160

約数和(自身を除く): 137099755

約数列:

[1, 5, 13, 29, 65, 101, 145, 377, 505, 1313, 1885, 2053, 2929, 6565, 10265, 14645, 26689, 38077, 59537, 133445, 190385, 207353, 297685, 773981, 1036765, 2695589, 3869905, 6013237, 13477945, 30066185, 78172081, 390860405]

約数ペア:

[(1, 390860405), (5, 78172081), (13, 30066185), (29, 13477945), (65, 6013237), (101, 3869905), (145, 2695589), (377, 1036765), (505, 773981), (1313, 297685), (1885, 207353), (2053, 190385), (2929, 133445), (6565, 59537), (10265, 38077), (14645, 26689)]