28673900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 66933216

約数和(自身を除く): 38259316

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 101, 167, 170, 202, 334, 340, 404, 425, 505, 668, 835, 850, 1010, 1670, 1700, 1717, 2020, 2525, 2839, 3340, 3434, 4175, 5050, 5678, 6868, 8350, 8585, 10100, 11356, 14195, 16700, 16867, 17170, 28390, 33734, 34340, 42925, 56780, 67468, 70975, 84335, 85850, 141950, 168670, 171700, 283900, 286739, 337340, 421675, 573478, 843350, 1146956, 1433695, 1686700, 2867390, 5734780, 7168475, 14336950, 28673900]

約数ペア:

[(1, 28673900), (2, 14336950), (4, 7168475), (5, 5734780), (10, 2867390), (17, 1686700), (20, 1433695), (25, 1146956), (34, 843350), (50, 573478), (68, 421675), (85, 337340), (100, 286739), (101, 283900), (167, 171700), (170, 168670), (202, 141950), (334, 85850), (340, 84335), (404, 70975), (425, 67468), (505, 56780), (668, 42925), (835, 34340), (850, 33734), (1010, 28390), (1670, 17170), (1700, 16867), (1717, 16700), (2020, 14195), (2525, 11356), (2839, 10100), (3340, 8585), (3434, 8350), (4175, 6868), (5050, 5678)]