4182489140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{21557}}^1$

素因数の和:21764

約数の個数: 48

約数和(自身を含む): 8963816400

約数和(自身を除く): 4781327260

約数列:

[1, 2, 4, 5, 10, 20, 89, 109, 178, 218, 356, 436, 445, 545, 890, 1090, 1780, 2180, 9701, 19402, 21557, 38804, 43114, 48505, 86228, 97010, 107785, 194020, 215570, 431140, 1918573, 2349713, 3837146, 4699426, 7674292, 9398852, 9592865, 11748565, 19185730, 23497130, 38371460, 46994260, 209124457, 418248914, 836497828, 1045622285, 2091244570, 4182489140]

約数ペア:

[(1, 4182489140), (2, 2091244570), (4, 1045622285), (5, 836497828), (10, 418248914), (20, 209124457), (89, 46994260), (109, 38371460), (178, 23497130), (218, 19185730), (356, 11748565), (436, 9592865), (445, 9398852), (545, 7674292), (890, 4699426), (1090, 3837146), (1780, 2349713), (2180, 1918573), (9701, 431140), (19402, 215570), (21557, 194020), (38804, 107785), (43114, 97010), (48505, 86228)]