251025400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 640684440

約数和(自身を除く): 389659040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 43, 50, 68, 85, 86, 100, 101, 136, 170, 172, 200, 202, 215, 289, 340, 344, 404, 425, 430, 505, 578, 680, 731, 808, 850, 860, 1010, 1075, 1156, 1445, 1462, 1700, 1717, 1720, 2020, 2150, 2312, 2525, 2890, 2924, 3400, 3434, 3655, 4040, 4300, 4343, 5050, 5780, 5848, 6868, 7225, 7310, 8585, 8600, 8686, 10100, 11560, 12427, 13736, 14450, 14620, 17170, 17372, 18275, 20200, 21715, 24854, 28900, 29189, 29240, 34340, 34744, 36550, 42925, 43430, 49708, 57800, 58378, 62135, 68680, 73100, 73831, 85850, 86860, 99416, 108575, 116756, 124270, 145945, 146200, 147662, 171700, 173720, 217150, 233512, 248540, 291890, 295324, 310675, 343400, 369155, 434300, 497080, 583780, 590648, 621350, 729725, 738310, 868600, 1167560, 1242700, 1255127, 1459450, 1476620, 1845775, 2485400, 2510254, 2918900, 2953240, 3691550, 5020508, 5837800, 6275635, 7383100, 10041016, 12551270, 14766200, 25102540, 31378175, 50205080, 62756350, 125512700, 251025400]

約数ペア:

[(1, 251025400), (2, 125512700), (4, 62756350), (5, 50205080), (8, 31378175), (10, 25102540), (17, 14766200), (20, 12551270), (25, 10041016), (34, 7383100), (40, 6275635), (43, 5837800), (50, 5020508), (68, 3691550), (85, 2953240), (86, 2918900), (100, 2510254), (101, 2485400), (136, 1845775), (170, 1476620), (172, 1459450), (200, 1255127), (202, 1242700), (215, 1167560), (289, 868600), (340, 738310), (344, 729725), (404, 621350), (425, 590648), (430, 583780), (505, 497080), (578, 434300), (680, 369155), (731, 343400), (808, 310675), (850, 295324), (860, 291890), (1010, 248540), (1075, 233512), (1156, 217150), (1445, 173720), (1462, 171700), (1700, 147662), (1717, 146200), (1720, 145945), (2020, 124270), (2150, 116756), (2312, 108575), (2525, 99416), (2890, 86860), (2924, 85850), (3400, 73831), (3434, 73100), (3655, 68680), (4040, 62135), (4300, 58378), (4343, 57800), (5050, 49708), (5780, 43430), (5848, 42925), (6868, 36550), (7225, 34744), (7310, 34340), (8585, 29240), (8600, 29189), (8686, 28900), (10100, 24854), (11560, 21715), (12427, 20200), (13736, 18275), (14450, 17372), (14620, 17170)]