20174100175

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{90073}}^1$

素因数の和:90148

約数の個数: 36

約数和(自身を含む): 27431496256

約数和(自身を除く): 7257396081

約数列:

[1, 5, 17, 25, 31, 85, 155, 289, 425, 527, 775, 1445, 2635, 7225, 8959, 13175, 44795, 90073, 223975, 450365, 1531241, 2251825, 2792263, 7656205, 13961315, 26031097, 38281025, 47468471, 69806575, 130155485, 237342355, 650777425, 806964007, 1186711775, 4034820035, 20174100175]

約数ペア:

[(1, 20174100175), (5, 4034820035), (17, 1186711775), (25, 806964007), (31, 650777425), (85, 237342355), (155, 130155485), (289, 69806575), (425, 47468471), (527, 38281025), (775, 26031097), (1445, 13961315), (2635, 7656205), (7225, 2792263), (8959, 2251825), (13175, 1531241), (44795, 450365), (90073, 223975)]