383643780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491851}}^1$

素因数の和:491876

約数の個数: 48

約数和(自身を含む): 1156835904

約数和(自身を除く): 773192124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 491851, 983702, 1475553, 1967404, 2459255, 2951106, 4918510, 5902212, 6394063, 7377765, 9837020, 12788126, 14755530, 19182189, 25576252, 29511060, 31970315, 38364378, 63940630, 76728756, 95910945, 127881260, 191821890, 383643780]

約数ペア:

[(1, 383643780), (2, 191821890), (3, 127881260), (4, 95910945), (5, 76728756), (6, 63940630), (10, 38364378), (12, 31970315), (13, 29511060), (15, 25576252), (20, 19182189), (26, 14755530), (30, 12788126), (39, 9837020), (52, 7377765), (60, 6394063), (65, 5902212), (78, 4918510), (130, 2951106), (156, 2459255), (195, 1967404), (260, 1475553), (390, 983702), (780, 491851)]