1802000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 80

約数和(自身を含む): 4700592

約数和(自身を除く): 2898592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 53, 68, 80, 85, 100, 106, 125, 136, 170, 200, 212, 250, 265, 272, 340, 400, 424, 425, 500, 530, 680, 848, 850, 901, 1000, 1060, 1325, 1360, 1700, 1802, 2000, 2120, 2125, 2650, 3400, 3604, 4240, 4250, 4505, 5300, 6625, 6800, 7208, 8500, 9010, 10600, 13250, 14416, 17000, 18020, 21200, 22525, 26500, 34000, 36040, 45050, 53000, 72080, 90100, 106000, 112625, 180200, 225250, 360400, 450500, 901000, 1802000]

約数ペア:

[(1, 1802000), (2, 901000), (4, 450500), (5, 360400), (8, 225250), (10, 180200), (16, 112625), (17, 106000), (20, 90100), (25, 72080), (34, 53000), (40, 45050), (50, 36040), (53, 34000), (68, 26500), (80, 22525), (85, 21200), (100, 18020), (106, 17000), (125, 14416), (136, 13250), (170, 10600), (200, 9010), (212, 8500), (250, 7208), (265, 6800), (272, 6625), (340, 5300), (400, 4505), (424, 4250), (425, 4240), (500, 3604), (530, 3400), (680, 2650), (848, 2125), (850, 2120), (901, 2000), (1000, 1802), (1060, 1700), (1325, 1360)]