17918785900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{15161}}^1$

素因数の和:15451

約数の個数: 72

約数和(自身を含む): 39797702784

約数和(自身を除く): 21878916884

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 223, 265, 446, 530, 892, 1060, 1115, 1325, 2230, 2650, 4460, 5300, 5575, 11150, 11819, 15161, 22300, 23638, 30322, 47276, 59095, 60644, 75805, 118190, 151610, 236380, 295475, 303220, 379025, 590950, 758050, 803533, 1181900, 1516100, 1607066, 3214132, 3380903, 4017665, 6761806, 8035330, 13523612, 16070660, 16904515, 20088325, 33809030, 40176650, 67618060, 80353300, 84522575, 169045150, 179187859, 338090300, 358375718, 716751436, 895939295, 1791878590, 3583757180, 4479696475, 8959392950, 17918785900]

約数ペア:

[(1, 17918785900), (2, 8959392950), (4, 4479696475), (5, 3583757180), (10, 1791878590), (20, 895939295), (25, 716751436), (50, 358375718), (53, 338090300), (100, 179187859), (106, 169045150), (212, 84522575), (223, 80353300), (265, 67618060), (446, 40176650), (530, 33809030), (892, 20088325), (1060, 16904515), (1115, 16070660), (1325, 13523612), (2230, 8035330), (2650, 6761806), (4460, 4017665), (5300, 3380903), (5575, 3214132), (11150, 1607066), (11819, 1516100), (15161, 1181900), (22300, 803533), (23638, 758050), (30322, 590950), (47276, 379025), (59095, 303220), (60644, 295475), (75805, 236380), (118190, 151610)]