78470860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2203}}^1$

素因数の和:2362

約数の個数: 48

約数和(自身を含む): 178841376

約数和(自身を除く): 100370516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2203, 2740, 3562, 4406, 7124, 8812, 8905, 11015, 17810, 22030, 28639, 35620, 44060, 57278, 114556, 143195, 286390, 301811, 572780, 603622, 1207244, 1509055, 3018110, 3923543, 6036220, 7847086, 15694172, 19617715, 39235430, 78470860]

約数ペア:

[(1, 78470860), (2, 39235430), (4, 19617715), (5, 15694172), (10, 7847086), (13, 6036220), (20, 3923543), (26, 3018110), (52, 1509055), (65, 1207244), (130, 603622), (137, 572780), (260, 301811), (274, 286390), (548, 143195), (685, 114556), (1370, 57278), (1781, 44060), (2203, 35620), (2740, 28639), (3562, 22030), (4406, 17810), (7124, 11015), (8812, 8905)]