1279897220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{16067}}^1$

素因数の和:16652

約数の個数: 48

約数和(自身を含む): 3077343360

約数和(自身を除く): 1797446140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 569, 1138, 2276, 2845, 3983, 5690, 7966, 11380, 15932, 16067, 19915, 32134, 39830, 64268, 79660, 80335, 112469, 160670, 224938, 321340, 449876, 562345, 1124690, 2249380, 9142123, 18284246, 36568492, 45710615, 63994861, 91421230, 127989722, 182842460, 255979444, 319974305, 639948610, 1279897220]

約数ペア:

[(1, 1279897220), (2, 639948610), (4, 319974305), (5, 255979444), (7, 182842460), (10, 127989722), (14, 91421230), (20, 63994861), (28, 45710615), (35, 36568492), (70, 18284246), (140, 9142123), (569, 2249380), (1138, 1124690), (2276, 562345), (2845, 449876), (3983, 321340), (5690, 224938), (7966, 160670), (11380, 112469), (15932, 80335), (16067, 79660), (19915, 64268), (32134, 39830)]