201713840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2089}}^1$

素因数の和:2190

約数の個数: 80

約数和(自身を含む): 503807040

約数和(自身を除く): 302093200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 272, 284, 340, 355, 568, 680, 710, 1136, 1207, 1360, 1420, 2089, 2414, 2840, 4178, 4828, 5680, 6035, 8356, 9656, 10445, 12070, 16712, 19312, 20890, 24140, 33424, 35513, 41780, 48280, 71026, 83560, 96560, 142052, 148319, 167120, 177565, 284104, 296638, 355130, 568208, 593276, 710260, 741595, 1186552, 1420520, 1483190, 2373104, 2521423, 2841040, 2966380, 5042846, 5932760, 10085692, 11865520, 12607115, 20171384, 25214230, 40342768, 50428460, 100856920, 201713840]

約数ペア:

[(1, 201713840), (2, 100856920), (4, 50428460), (5, 40342768), (8, 25214230), (10, 20171384), (16, 12607115), (17, 11865520), (20, 10085692), (34, 5932760), (40, 5042846), (68, 2966380), (71, 2841040), (80, 2521423), (85, 2373104), (136, 1483190), (142, 1420520), (170, 1186552), (272, 741595), (284, 710260), (340, 593276), (355, 568208), (568, 355130), (680, 296638), (710, 284104), (1136, 177565), (1207, 167120), (1360, 148319), (1420, 142052), (2089, 96560), (2414, 83560), (2840, 71026), (4178, 48280), (4828, 41780), (5680, 35513), (6035, 33424), (8356, 24140), (9656, 20890), (10445, 19312), (12070, 16712)]