28746760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102667}}^1$

素因数の和:102685

約数の個数: 32

約数和(自身を含む): 73920960

約数和(自身を除く): 45174200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102667, 205334, 410668, 513335, 718669, 821336, 1026670, 1437338, 2053340, 2874676, 3593345, 4106680, 5749352, 7186690, 14373380, 28746760]

約数ペア:

[(1, 28746760), (2, 14373380), (4, 7186690), (5, 5749352), (7, 4106680), (8, 3593345), (10, 2874676), (14, 2053340), (20, 1437338), (28, 1026670), (35, 821336), (40, 718669), (56, 513335), (70, 410668), (140, 205334), (280, 102667)]