3978520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1093}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 11027520

約数和(自身を除く): 7049000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1093, 1820, 2186, 3640, 4372, 5465, 7651, 8744, 10930, 14209, 15302, 21860, 28418, 30604, 38255, 43720, 56836, 61208, 71045, 76510, 99463, 113672, 142090, 153020, 198926, 284180, 306040, 397852, 497315, 568360, 795704, 994630, 1989260, 3978520]

約数ペア:

[(1, 3978520), (2, 1989260), (4, 994630), (5, 795704), (7, 568360), (8, 497315), (10, 397852), (13, 306040), (14, 284180), (20, 198926), (26, 153020), (28, 142090), (35, 113672), (40, 99463), (52, 76510), (56, 71045), (65, 61208), (70, 56836), (91, 43720), (104, 38255), (130, 30604), (140, 28418), (182, 21860), (260, 15302), (280, 14209), (364, 10930), (455, 8744), (520, 7651), (728, 5465), (910, 4372), (1093, 3640), (1820, 2186)]