1400800

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 3656016

約数和(自身を除く): 2255216

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 103, 136, 160, 170, 200, 206, 272, 340, 400, 412, 425, 515, 544, 680, 800, 824, 850, 1030, 1360, 1648, 1700, 1751, 2060, 2575, 2720, 3296, 3400, 3502, 4120, 5150, 6800, 7004, 8240, 8755, 10300, 13600, 14008, 16480, 17510, 20600, 28016, 35020, 41200, 43775, 56032, 70040, 82400, 87550, 140080, 175100, 280160, 350200, 700400, 1400800]

約数ペア:

[(1, 1400800), (2, 700400), (4, 350200), (5, 280160), (8, 175100), (10, 140080), (16, 87550), (17, 82400), (20, 70040), (25, 56032), (32, 43775), (34, 41200), (40, 35020), (50, 28016), (68, 20600), (80, 17510), (85, 16480), (100, 14008), (103, 13600), (136, 10300), (160, 8755), (170, 8240), (200, 7004), (206, 6800), (272, 5150), (340, 4120), (400, 3502), (412, 3400), (425, 3296), (515, 2720), (544, 2575), (680, 2060), (800, 1751), (824, 1700), (850, 1648), (1030, 1360)]