7771480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 18468000

約数和(自身を除く): 10696520

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 89, 118, 148, 178, 185, 236, 295, 296, 356, 370, 445, 472, 590, 712, 740, 890, 1180, 1480, 1780, 2183, 2360, 3293, 3560, 4366, 5251, 6586, 8732, 10502, 10915, 13172, 16465, 17464, 21004, 21830, 26255, 26344, 32930, 42008, 43660, 52510, 65860, 87320, 105020, 131720, 194287, 210040, 388574, 777148, 971435, 1554296, 1942870, 3885740, 7771480]

約数ペア:

[(1, 7771480), (2, 3885740), (4, 1942870), (5, 1554296), (8, 971435), (10, 777148), (20, 388574), (37, 210040), (40, 194287), (59, 131720), (74, 105020), (89, 87320), (118, 65860), (148, 52510), (178, 43660), (185, 42008), (236, 32930), (295, 26344), (296, 26255), (356, 21830), (370, 21004), (445, 17464), (472, 16465), (590, 13172), (712, 10915), (740, 10502), (890, 8732), (1180, 6586), (1480, 5251), (1780, 4366), (2183, 3560), (2360, 3293)]