30853420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2239}}^1$

素因数の和:2314

約数の個数: 48

約数和(自身を含む): 71124480

約数和(自身を除く): 40271060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2239, 2756, 3445, 4478, 6890, 8956, 11195, 13780, 22390, 29107, 44780, 58214, 116428, 118667, 145535, 237334, 291070, 474668, 582140, 593335, 1186670, 1542671, 2373340, 3085342, 6170684, 7713355, 15426710, 30853420]

約数ペア:

[(1, 30853420), (2, 15426710), (4, 7713355), (5, 6170684), (10, 3085342), (13, 2373340), (20, 1542671), (26, 1186670), (52, 593335), (53, 582140), (65, 474668), (106, 291070), (130, 237334), (212, 145535), (260, 118667), (265, 116428), (530, 58214), (689, 44780), (1060, 29107), (1378, 22390), (2239, 13780), (2756, 11195), (3445, 8956), (4478, 6890)]