53178100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 120304800

約数和(自身を除く): 67126700

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 83, 86, 100, 149, 166, 172, 215, 298, 332, 415, 430, 596, 745, 830, 860, 1075, 1490, 1660, 2075, 2150, 2980, 3569, 3725, 4150, 4300, 6407, 7138, 7450, 8300, 12367, 12814, 14276, 14900, 17845, 24734, 25628, 32035, 35690, 49468, 61835, 64070, 71380, 89225, 123670, 128140, 160175, 178450, 247340, 309175, 320350, 356900, 531781, 618350, 640700, 1063562, 1236700, 2127124, 2658905, 5317810, 10635620, 13294525, 26589050, 53178100]

約数ペア:

[(1, 53178100), (2, 26589050), (4, 13294525), (5, 10635620), (10, 5317810), (20, 2658905), (25, 2127124), (43, 1236700), (50, 1063562), (83, 640700), (86, 618350), (100, 531781), (149, 356900), (166, 320350), (172, 309175), (215, 247340), (298, 178450), (332, 160175), (415, 128140), (430, 123670), (596, 89225), (745, 71380), (830, 64070), (860, 61835), (1075, 49468), (1490, 35690), (1660, 32035), (2075, 25628), (2150, 24734), (2980, 17845), (3569, 14900), (3725, 14276), (4150, 12814), (4300, 12367), (6407, 8300), (7138, 7450)]