553636940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{12739}}^1$

素因数の和:12842

約数の個数: 48

約数和(自身を含む): 1213561440

約数和(自身を除く): 659924500

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 2173, 4346, 8692, 10865, 12739, 21730, 25478, 43460, 50956, 63695, 127390, 254780, 522299, 675167, 1044598, 1350334, 2089196, 2611495, 2700668, 3375835, 5222990, 6751670, 10445980, 13503340, 27681847, 55363694, 110727388, 138409235, 276818470, 553636940]

約数ペア:

[(1, 553636940), (2, 276818470), (4, 138409235), (5, 110727388), (10, 55363694), (20, 27681847), (41, 13503340), (53, 10445980), (82, 6751670), (106, 5222990), (164, 3375835), (205, 2700668), (212, 2611495), (265, 2089196), (410, 1350334), (530, 1044598), (820, 675167), (1060, 522299), (2173, 254780), (4346, 127390), (8692, 63695), (10865, 50956), (12739, 43460), (21730, 25478)]