764962820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{6263}}^1$

素因数の和:6500

約数の個数: 48

約数和(自身を含む): 1666925568

約数和(自身を除く): 901962748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 197, 310, 394, 620, 788, 985, 1970, 3940, 6107, 6263, 12214, 12526, 24428, 25052, 30535, 31315, 61070, 62630, 122140, 125260, 194153, 388306, 776612, 970765, 1233811, 1941530, 2467622, 3883060, 4935244, 6169055, 12338110, 24676220, 38248141, 76496282, 152992564, 191240705, 382481410, 764962820]

約数ペア:

[(1, 764962820), (2, 382481410), (4, 191240705), (5, 152992564), (10, 76496282), (20, 38248141), (31, 24676220), (62, 12338110), (124, 6169055), (155, 4935244), (197, 3883060), (310, 2467622), (394, 1941530), (620, 1233811), (788, 970765), (985, 776612), (1970, 388306), (3940, 194153), (6107, 125260), (6263, 122140), (12214, 62630), (12526, 61070), (24428, 31315), (25052, 30535)]