42287500

素因数分解:

$2^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 98431200

約数和(自身を除く): 56143700

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 199, 250, 340, 398, 425, 500, 625, 796, 850, 995, 1250, 1700, 1990, 2125, 2500, 3125, 3383, 3980, 4250, 4975, 6250, 6766, 8500, 9950, 10625, 12500, 13532, 16915, 19900, 21250, 24875, 33830, 42500, 49750, 53125, 67660, 84575, 99500, 106250, 124375, 169150, 212500, 248750, 338300, 422875, 497500, 621875, 845750, 1243750, 1691500, 2114375, 2487500, 4228750, 8457500, 10571875, 21143750, 42287500]

約数ペア:

[(1, 42287500), (2, 21143750), (4, 10571875), (5, 8457500), (10, 4228750), (17, 2487500), (20, 2114375), (25, 1691500), (34, 1243750), (50, 845750), (68, 621875), (85, 497500), (100, 422875), (125, 338300), (170, 248750), (199, 212500), (250, 169150), (340, 124375), (398, 106250), (425, 99500), (500, 84575), (625, 67660), (796, 53125), (850, 49750), (995, 42500), (1250, 33830), (1700, 24875), (1990, 21250), (2125, 19900), (2500, 16915), (3125, 13532), (3383, 12500), (3980, 10625), (4250, 9950), (4975, 8500), (6250, 6766)]