1774520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 4514400

約数和(自身を除く): 2739880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 109, 110, 148, 185, 218, 220, 296, 370, 407, 436, 440, 545, 740, 814, 872, 1090, 1199, 1480, 1628, 2035, 2180, 2398, 3256, 4033, 4070, 4360, 4796, 5995, 8066, 8140, 9592, 11990, 16132, 16280, 20165, 23980, 32264, 40330, 44363, 47960, 80660, 88726, 161320, 177452, 221815, 354904, 443630, 887260, 1774520]

約数ペア:

[(1, 1774520), (2, 887260), (4, 443630), (5, 354904), (8, 221815), (10, 177452), (11, 161320), (20, 88726), (22, 80660), (37, 47960), (40, 44363), (44, 40330), (55, 32264), (74, 23980), (88, 20165), (109, 16280), (110, 16132), (148, 11990), (185, 9592), (218, 8140), (220, 8066), (296, 5995), (370, 4796), (407, 4360), (436, 4070), (440, 4033), (545, 3256), (740, 2398), (814, 2180), (872, 2035), (1090, 1628), (1199, 1480)]