223670590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2203}}^1$

素因数の和:2305

約数の個数: 64

約数和(自身を含む): 479872512

約数和(自身を除く): 256201922

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 71, 110, 130, 142, 143, 286, 355, 710, 715, 781, 923, 1430, 1562, 1846, 2203, 3905, 4406, 4615, 7810, 9230, 10153, 11015, 20306, 22030, 24233, 28639, 48466, 50765, 57278, 101530, 121165, 143195, 156413, 242330, 286390, 312826, 315029, 630058, 782065, 1564130, 1575145, 1720543, 2033369, 3150290, 3441086, 4066738, 8602715, 10166845, 17205430, 20333690, 22367059, 44734118, 111835295, 223670590]

約数ペア:

[(1, 223670590), (2, 111835295), (5, 44734118), (10, 22367059), (11, 20333690), (13, 17205430), (22, 10166845), (26, 8602715), (55, 4066738), (65, 3441086), (71, 3150290), (110, 2033369), (130, 1720543), (142, 1575145), (143, 1564130), (286, 782065), (355, 630058), (710, 315029), (715, 312826), (781, 286390), (923, 242330), (1430, 156413), (1562, 143195), (1846, 121165), (2203, 101530), (3905, 57278), (4406, 50765), (4615, 48466), (7810, 28639), (9230, 24233), (10153, 22030), (11015, 20306)]