901000

素因数分解:

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

素因数の和:91

約数の個数: 64

約数和(自身を含む): 2274480

約数和(自身を除く): 1373480

約数列:

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

約数ペア:

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