855911980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1\times {\mathrm{773}}^1$

素因数の和:1519

約数の個数: 96

約数和(自身を含む): 2246952960

約数和(自身を除く): 1391040980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 719, 770, 773, 1438, 1540, 1546, 2876, 3092, 3595, 3865, 5033, 5411, 7190, 7730, 7909, 8503, 10066, 10822, 14380, 15460, 15818, 17006, 20132, 21644, 25165, 27055, 31636, 34012, 39545, 42515, 50330, 54110, 55363, 59521, 79090, 85030, 100660, 108220, 110726, 119042, 158180, 170060, 221452, 238084, 276815, 297605, 553630, 555787, 595210, 1107260, 1111574, 1190420, 2223148, 2778935, 3890509, 5557870, 6113657, 7781018, 11115740, 12227314, 15562036, 19452545, 24454628, 30568285, 38905090, 42795599, 61136570, 77810180, 85591198, 122273140, 171182396, 213977995, 427955990, 855911980]

約数ペア:

[(1, 855911980), (2, 427955990), (4, 213977995), (5, 171182396), (7, 122273140), (10, 85591198), (11, 77810180), (14, 61136570), (20, 42795599), (22, 38905090), (28, 30568285), (35, 24454628), (44, 19452545), (55, 15562036), (70, 12227314), (77, 11115740), (110, 7781018), (140, 6113657), (154, 5557870), (220, 3890509), (308, 2778935), (385, 2223148), (719, 1190420), (770, 1111574), (773, 1107260), (1438, 595210), (1540, 555787), (1546, 553630), (2876, 297605), (3092, 276815), (3595, 238084), (3865, 221452), (5033, 170060), (5411, 158180), (7190, 119042), (7730, 110726), (7909, 108220), (8503, 100660), (10066, 85030), (10822, 79090), (14380, 59521), (15460, 55363), (15818, 54110), (17006, 50330), (20132, 42515), (21644, 39545), (25165, 34012), (27055, 31636)]