2014505720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{2143}}^1$

素因数の和:2556

約数の個数: 64

約数和(自身を含む): 4612515840

約数和(自身を除く): 2598010120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 331, 355, 568, 662, 710, 1324, 1420, 1655, 2143, 2648, 2840, 3310, 4286, 6620, 8572, 10715, 13240, 17144, 21430, 23501, 42860, 47002, 85720, 94004, 117505, 152153, 188008, 235010, 304306, 470020, 608612, 709333, 760765, 940040, 1217224, 1418666, 1521530, 2837332, 3043060, 3546665, 5674664, 6086120, 7093330, 14186660, 28373320, 50362643, 100725286, 201450572, 251813215, 402901144, 503626430, 1007252860, 2014505720]

約数ペア:

[(1, 2014505720), (2, 1007252860), (4, 503626430), (5, 402901144), (8, 251813215), (10, 201450572), (20, 100725286), (40, 50362643), (71, 28373320), (142, 14186660), (284, 7093330), (331, 6086120), (355, 5674664), (568, 3546665), (662, 3043060), (710, 2837332), (1324, 1521530), (1420, 1418666), (1655, 1217224), (2143, 940040), (2648, 760765), (2840, 709333), (3310, 608612), (4286, 470020), (6620, 304306), (8572, 235010), (10715, 188008), (13240, 152153), (17144, 117505), (21430, 94004), (23501, 85720), (42860, 47002)]