3968620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 8886528

約数和(自身を除く): 4917908

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 173, 185, 310, 346, 370, 620, 692, 740, 865, 1147, 1730, 2294, 3460, 4588, 5363, 5735, 6401, 10726, 11470, 12802, 21452, 22940, 25604, 26815, 32005, 53630, 64010, 107260, 128020, 198431, 396862, 793724, 992155, 1984310, 3968620]

約数ペア:

[(1, 3968620), (2, 1984310), (4, 992155), (5, 793724), (10, 396862), (20, 198431), (31, 128020), (37, 107260), (62, 64010), (74, 53630), (124, 32005), (148, 26815), (155, 25604), (173, 22940), (185, 21452), (310, 12802), (346, 11470), (370, 10726), (620, 6401), (692, 5735), (740, 5363), (865, 4588), (1147, 3460), (1730, 2294)]