28390000

素因数分解:

$2^4\times 5^4\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:212

約数の個数: 100

約数和(自身を含む): 73214064

約数和(自身を除く): 44824064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 167, 170, 200, 250, 272, 334, 340, 400, 425, 500, 625, 668, 680, 835, 850, 1000, 1250, 1336, 1360, 1670, 1700, 2000, 2125, 2500, 2672, 2839, 3340, 3400, 4175, 4250, 5000, 5678, 6680, 6800, 8350, 8500, 10000, 10625, 11356, 13360, 14195, 16700, 17000, 20875, 21250, 22712, 28390, 33400, 34000, 41750, 42500, 45424, 56780, 66800, 70975, 83500, 85000, 104375, 113560, 141950, 167000, 170000, 208750, 227120, 283900, 334000, 354875, 417500, 567800, 709750, 835000, 1135600, 1419500, 1670000, 1774375, 2839000, 3548750, 5678000, 7097500, 14195000, 28390000]

約数ペア:

[(1, 28390000), (2, 14195000), (4, 7097500), (5, 5678000), (8, 3548750), (10, 2839000), (16, 1774375), (17, 1670000), (20, 1419500), (25, 1135600), (34, 835000), (40, 709750), (50, 567800), (68, 417500), (80, 354875), (85, 334000), (100, 283900), (125, 227120), (136, 208750), (167, 170000), (170, 167000), (200, 141950), (250, 113560), (272, 104375), (334, 85000), (340, 83500), (400, 70975), (425, 66800), (500, 56780), (625, 45424), (668, 42500), (680, 41750), (835, 34000), (850, 33400), (1000, 28390), (1250, 22712), (1336, 21250), (1360, 20875), (1670, 17000), (1700, 16700), (2000, 14195), (2125, 13360), (2500, 11356), (2672, 10625), (2839, 10000), (3340, 8500), (3400, 8350), (4175, 6800), (4250, 6680), (5000, 5678)]