139078520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5581}}^1$

素因数の和:5688

約数の個数: 64

約数和(自身を含む): 361713600

約数和(自身を除く): 222635080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 5581, 6230, 11162, 12460, 22324, 24920, 27905, 39067, 44648, 55810, 78134, 111620, 156268, 195335, 223240, 312536, 390670, 496709, 781340, 993418, 1562680, 1986836, 2483545, 3476963, 3973672, 4967090, 6953926, 9934180, 13907852, 17384815, 19868360, 27815704, 34769630, 69539260, 139078520]

約数ペア:

[(1, 139078520), (2, 69539260), (4, 34769630), (5, 27815704), (7, 19868360), (8, 17384815), (10, 13907852), (14, 9934180), (20, 6953926), (28, 4967090), (35, 3973672), (40, 3476963), (56, 2483545), (70, 1986836), (89, 1562680), (140, 993418), (178, 781340), (280, 496709), (356, 390670), (445, 312536), (623, 223240), (712, 195335), (890, 156268), (1246, 111620), (1780, 78134), (2492, 55810), (3115, 44648), (3560, 39067), (4984, 27905), (5581, 24920), (6230, 22324), (11162, 12460)]