3885740

素因数分解:

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

素因数の和:194

約数の個数: 48

約数和(自身を含む): 8618400

約数和(自身を除く): 4732660

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 89, 118, 148, 178, 185, 236, 295, 356, 370, 445, 590, 740, 890, 1180, 1780, 2183, 3293, 4366, 5251, 6586, 8732, 10502, 10915, 13172, 16465, 21004, 21830, 26255, 32930, 43660, 52510, 65860, 105020, 194287, 388574, 777148, 971435, 1942870, 3885740]

約数ペア:

[(1, 3885740), (2, 1942870), (4, 971435), (5, 777148), (10, 388574), (20, 194287), (37, 105020), (59, 65860), (74, 52510), (89, 43660), (118, 32930), (148, 26255), (178, 21830), (185, 21004), (236, 16465), (295, 13172), (356, 10915), (370, 10502), (445, 8732), (590, 6586), (740, 5251), (890, 4366), (1180, 3293), (1780, 2183)]