12204220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{487}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 29514240

約数和(自身を除く): 17310020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 487, 716, 895, 974, 1253, 1790, 1948, 2435, 2506, 3409, 3580, 4870, 5012, 6265, 6818, 9740, 12530, 13636, 17045, 25060, 34090, 68180, 87173, 174346, 348692, 435865, 610211, 871730, 1220422, 1743460, 2440844, 3051055, 6102110, 12204220]

約数ペア:

[(1, 12204220), (2, 6102110), (4, 3051055), (5, 2440844), (7, 1743460), (10, 1220422), (14, 871730), (20, 610211), (28, 435865), (35, 348692), (70, 174346), (140, 87173), (179, 68180), (358, 34090), (487, 25060), (716, 17045), (895, 13636), (974, 12530), (1253, 9740), (1790, 6818), (1948, 6265), (2435, 5012), (2506, 4870), (3409, 3580)]