18190000

素因数分解:

$2^4\times 5^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:152

約数の個数: 100

約数和(自身を含む): 47066184

約数和(自身を除く): 28876184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 107, 125, 136, 170, 200, 214, 250, 272, 340, 400, 425, 428, 500, 535, 625, 680, 850, 856, 1000, 1070, 1250, 1360, 1700, 1712, 1819, 2000, 2125, 2140, 2500, 2675, 3400, 3638, 4250, 4280, 5000, 5350, 6800, 7276, 8500, 8560, 9095, 10000, 10625, 10700, 13375, 14552, 17000, 18190, 21250, 21400, 26750, 29104, 34000, 36380, 42500, 42800, 45475, 53500, 66875, 72760, 85000, 90950, 107000, 133750, 145520, 170000, 181900, 214000, 227375, 267500, 363800, 454750, 535000, 727600, 909500, 1070000, 1136875, 1819000, 2273750, 3638000, 4547500, 9095000, 18190000]

約数ペア:

[(1, 18190000), (2, 9095000), (4, 4547500), (5, 3638000), (8, 2273750), (10, 1819000), (16, 1136875), (17, 1070000), (20, 909500), (25, 727600), (34, 535000), (40, 454750), (50, 363800), (68, 267500), (80, 227375), (85, 214000), (100, 181900), (107, 170000), (125, 145520), (136, 133750), (170, 107000), (200, 90950), (214, 85000), (250, 72760), (272, 66875), (340, 53500), (400, 45475), (425, 42800), (428, 42500), (500, 36380), (535, 34000), (625, 29104), (680, 26750), (850, 21400), (856, 21250), (1000, 18190), (1070, 17000), (1250, 14552), (1360, 13375), (1700, 10700), (1712, 10625), (1819, 10000), (2000, 9095), (2125, 8560), (2140, 8500), (2500, 7276), (2675, 6800), (3400, 5350), (3638, 5000), (4250, 4280)]