2888860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 6717312

約数和(自身を除く): 3828452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 271, 410, 533, 542, 820, 1066, 1084, 1355, 2132, 2665, 2710, 3523, 5330, 5420, 7046, 10660, 11111, 14092, 17615, 22222, 35230, 44444, 55555, 70460, 111110, 144443, 222220, 288886, 577772, 722215, 1444430, 2888860]

約数ペア:

[(1, 2888860), (2, 1444430), (4, 722215), (5, 577772), (10, 288886), (13, 222220), (20, 144443), (26, 111110), (41, 70460), (52, 55555), (65, 44444), (82, 35230), (130, 22222), (164, 17615), (205, 14092), (260, 11111), (271, 10660), (410, 7046), (533, 5420), (542, 5330), (820, 3523), (1066, 2710), (1084, 2665), (1355, 2132)]