12600400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 90

約数和(自身を含む): 32452970

約数和(自身を除く): 19852570

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 109, 136, 170, 200, 218, 272, 289, 340, 400, 425, 436, 545, 578, 680, 850, 872, 1090, 1156, 1360, 1445, 1700, 1744, 1853, 2180, 2312, 2725, 2890, 3400, 3706, 4360, 4624, 5450, 5780, 6800, 7225, 7412, 8720, 9265, 10900, 11560, 14450, 14824, 18530, 21800, 23120, 28900, 29648, 31501, 37060, 43600, 46325, 57800, 63002, 74120, 92650, 115600, 126004, 148240, 157505, 185300, 252008, 315010, 370600, 504016, 630020, 741200, 787525, 1260040, 1575050, 2520080, 3150100, 6300200, 12600400]

約数ペア:

[(1, 12600400), (2, 6300200), (4, 3150100), (5, 2520080), (8, 1575050), (10, 1260040), (16, 787525), (17, 741200), (20, 630020), (25, 504016), (34, 370600), (40, 315010), (50, 252008), (68, 185300), (80, 157505), (85, 148240), (100, 126004), (109, 115600), (136, 92650), (170, 74120), (200, 63002), (218, 57800), (272, 46325), (289, 43600), (340, 37060), (400, 31501), (425, 29648), (436, 28900), (545, 23120), (578, 21800), (680, 18530), (850, 14824), (872, 14450), (1090, 11560), (1156, 10900), (1360, 9265), (1445, 8720), (1700, 7412), (1744, 7225), (1853, 6800), (2180, 5780), (2312, 5450), (2725, 4624), (2890, 4360), (3400, 3706)]