2602460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 6471360

約数和(自身を除く): 3868900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 641, 812, 1015, 1282, 2030, 2564, 3205, 4060, 4487, 6410, 8974, 12820, 17948, 18589, 22435, 37178, 44870, 74356, 89740, 92945, 130123, 185890, 260246, 371780, 520492, 650615, 1301230, 2602460]

約数ペア:

[(1, 2602460), (2, 1301230), (4, 650615), (5, 520492), (7, 371780), (10, 260246), (14, 185890), (20, 130123), (28, 92945), (29, 89740), (35, 74356), (58, 44870), (70, 37178), (116, 22435), (140, 18589), (145, 17948), (203, 12820), (290, 8974), (406, 6410), (580, 4487), (641, 4060), (812, 3205), (1015, 2564), (1282, 2030)]