31501000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 79021800

約数和(自身を除く): 47520800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 109, 125, 136, 170, 200, 218, 250, 289, 340, 425, 436, 500, 545, 578, 680, 850, 872, 1000, 1090, 1156, 1445, 1700, 1853, 2125, 2180, 2312, 2725, 2890, 3400, 3706, 4250, 4360, 5450, 5780, 7225, 7412, 8500, 9265, 10900, 11560, 13625, 14450, 14824, 17000, 18530, 21800, 27250, 28900, 31501, 36125, 37060, 46325, 54500, 57800, 63002, 72250, 74120, 92650, 109000, 126004, 144500, 157505, 185300, 231625, 252008, 289000, 315010, 370600, 463250, 630020, 787525, 926500, 1260040, 1575050, 1853000, 3150100, 3937625, 6300200, 7875250, 15750500, 31501000]

約数ペア:

[(1, 31501000), (2, 15750500), (4, 7875250), (5, 6300200), (8, 3937625), (10, 3150100), (17, 1853000), (20, 1575050), (25, 1260040), (34, 926500), (40, 787525), (50, 630020), (68, 463250), (85, 370600), (100, 315010), (109, 289000), (125, 252008), (136, 231625), (170, 185300), (200, 157505), (218, 144500), (250, 126004), (289, 109000), (340, 92650), (425, 74120), (436, 72250), (500, 63002), (545, 57800), (578, 54500), (680, 46325), (850, 37060), (872, 36125), (1000, 31501), (1090, 28900), (1156, 27250), (1445, 21800), (1700, 18530), (1853, 17000), (2125, 14824), (2180, 14450), (2312, 13625), (2725, 11560), (2890, 10900), (3400, 9265), (3706, 8500), (4250, 7412), (4360, 7225), (5450, 5780)]