2742440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 6771600

約数和(自身を除く): 4029160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 109, 136, 148, 170, 185, 218, 296, 340, 370, 436, 545, 629, 680, 740, 872, 1090, 1258, 1480, 1853, 2180, 2516, 3145, 3706, 4033, 4360, 5032, 6290, 7412, 8066, 9265, 12580, 14824, 16132, 18530, 20165, 25160, 32264, 37060, 40330, 68561, 74120, 80660, 137122, 161320, 274244, 342805, 548488, 685610, 1371220, 2742440]

約数ペア:

[(1, 2742440), (2, 1371220), (4, 685610), (5, 548488), (8, 342805), (10, 274244), (17, 161320), (20, 137122), (34, 80660), (37, 74120), (40, 68561), (68, 40330), (74, 37060), (85, 32264), (109, 25160), (136, 20165), (148, 18530), (170, 16132), (185, 14824), (218, 12580), (296, 9265), (340, 8066), (370, 7412), (436, 6290), (545, 5032), (629, 4360), (680, 4033), (740, 3706), (872, 3145), (1090, 2516), (1258, 2180), (1480, 1853)]