1490020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 3709440

約数和(自身を除く): 2219420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 367, 406, 580, 734, 812, 1015, 1468, 1835, 2030, 2569, 3670, 4060, 5138, 7340, 10276, 10643, 12845, 21286, 25690, 42572, 51380, 53215, 74501, 106430, 149002, 212860, 298004, 372505, 745010, 1490020]

約数ペア:

[(1, 1490020), (2, 745010), (4, 372505), (5, 298004), (7, 212860), (10, 149002), (14, 106430), (20, 74501), (28, 53215), (29, 51380), (35, 42572), (58, 25690), (70, 21286), (116, 12845), (140, 10643), (145, 10276), (203, 7340), (290, 5138), (367, 4060), (406, 3670), (580, 2569), (734, 2030), (812, 1835), (1015, 1468)]