19375750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 39626496

約数和(自身を除く): 20250746

約数列:

[1, 2, 5, 10, 17, 25, 34, 47, 50, 85, 94, 97, 125, 170, 194, 235, 250, 425, 470, 485, 799, 850, 970, 1175, 1598, 1649, 2125, 2350, 2425, 3298, 3995, 4250, 4559, 4850, 5875, 7990, 8245, 9118, 11750, 12125, 16490, 19975, 22795, 24250, 39950, 41225, 45590, 77503, 82450, 99875, 113975, 155006, 199750, 206125, 227950, 387515, 412250, 569875, 775030, 1139750, 1937575, 3875150, 9687875, 19375750]

約数ペア:

[(1, 19375750), (2, 9687875), (5, 3875150), (10, 1937575), (17, 1139750), (25, 775030), (34, 569875), (47, 412250), (50, 387515), (85, 227950), (94, 206125), (97, 199750), (125, 155006), (170, 113975), (194, 99875), (235, 82450), (250, 77503), (425, 45590), (470, 41225), (485, 39950), (799, 24250), (850, 22795), (970, 19975), (1175, 16490), (1598, 12125), (1649, 11750), (2125, 9118), (2350, 8245), (2425, 7990), (3298, 5875), (3995, 4850), (4250, 4559)]