77774620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{50503}}^1$

素因数の和:50530

約数の個数: 48

約数和(自身を含む): 203632128

約数和(自身を除く): 125857508

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, 770, 1540, 50503, 101006, 202012, 252515, 353521, 505030, 555533, 707042, 1010060, 1111066, 1414084, 1767605, 2222132, 2777665, 3535210, 3888731, 5555330, 7070420, 7777462, 11110660, 15554924, 19443655, 38887310, 77774620]

約数ペア:

[(1, 77774620), (2, 38887310), (4, 19443655), (5, 15554924), (7, 11110660), (10, 7777462), (11, 7070420), (14, 5555330), (20, 3888731), (22, 3535210), (28, 2777665), (35, 2222132), (44, 1767605), (55, 1414084), (70, 1111066), (77, 1010060), (110, 707042), (140, 555533), (154, 505030), (220, 353521), (308, 252515), (385, 202012), (770, 101006), (1540, 50503)]