389892100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1657}}^1$

素因数の和:1865

約数の個数: 72

約数和(自身を含む): 916734728

約数和(自身を除く): 526842628

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 181, 260, 325, 362, 650, 724, 905, 1300, 1657, 1810, 2353, 3314, 3620, 4525, 4706, 6628, 8285, 9050, 9412, 11765, 16570, 18100, 21541, 23530, 33140, 41425, 43082, 47060, 58825, 82850, 86164, 107705, 117650, 165700, 215410, 235300, 299917, 430820, 538525, 599834, 1077050, 1199668, 1499585, 2154100, 2999170, 3898921, 5998340, 7497925, 7797842, 14995850, 15595684, 19494605, 29991700, 38989210, 77978420, 97473025, 194946050, 389892100]

約数ペア:

[(1, 389892100), (2, 194946050), (4, 97473025), (5, 77978420), (10, 38989210), (13, 29991700), (20, 19494605), (25, 15595684), (26, 14995850), (50, 7797842), (52, 7497925), (65, 5998340), (100, 3898921), (130, 2999170), (181, 2154100), (260, 1499585), (325, 1199668), (362, 1077050), (650, 599834), (724, 538525), (905, 430820), (1300, 299917), (1657, 235300), (1810, 215410), (2353, 165700), (3314, 117650), (3620, 107705), (4525, 86164), (4706, 82850), (6628, 58825), (8285, 47060), (9050, 43082), (9412, 41425), (11765, 33140), (16570, 23530), (18100, 21541)]