778826020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179453}}^1$

素因数の和:179500

約数の個数: 48

約数和(自身を含む): 1929489408

約数和(自身を除く): 1150663388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 179453, 358906, 717812, 897265, 1256171, 1794530, 2512342, 3589060, 5024684, 5563043, 6280855, 11126086, 12561710, 22252172, 25123420, 27815215, 38941301, 55630430, 77882602, 111260860, 155765204, 194706505, 389413010, 778826020]

約数ペア:

[(1, 778826020), (2, 389413010), (4, 194706505), (5, 155765204), (7, 111260860), (10, 77882602), (14, 55630430), (20, 38941301), (28, 27815215), (31, 25123420), (35, 22252172), (62, 12561710), (70, 11126086), (124, 6280855), (140, 5563043), (155, 5024684), (217, 3589060), (310, 2512342), (434, 1794530), (620, 1256171), (868, 897265), (1085, 717812), (2170, 358906), (4340, 179453)]