51123380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 135717120

約数和(自身を除く): 84593740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 89, 110, 140, 154, 178, 220, 308, 356, 373, 385, 445, 623, 746, 770, 890, 979, 1246, 1492, 1540, 1780, 1865, 1958, 2492, 2611, 3115, 3730, 3916, 4103, 4895, 5222, 6230, 6853, 7460, 8206, 9790, 10444, 12460, 13055, 13706, 16412, 19580, 20515, 26110, 27412, 28721, 33197, 34265, 41030, 52220, 57442, 66394, 68530, 82060, 114884, 132788, 137060, 143605, 165985, 232379, 287210, 331970, 365167, 464758, 574420, 663940, 730334, 929516, 1161895, 1460668, 1825835, 2323790, 2556169, 3651670, 4647580, 5112338, 7303340, 10224676, 12780845, 25561690, 51123380]

約数ペア:

[(1, 51123380), (2, 25561690), (4, 12780845), (5, 10224676), (7, 7303340), (10, 5112338), (11, 4647580), (14, 3651670), (20, 2556169), (22, 2323790), (28, 1825835), (35, 1460668), (44, 1161895), (55, 929516), (70, 730334), (77, 663940), (89, 574420), (110, 464758), (140, 365167), (154, 331970), (178, 287210), (220, 232379), (308, 165985), (356, 143605), (373, 137060), (385, 132788), (445, 114884), (623, 82060), (746, 68530), (770, 66394), (890, 57442), (979, 52220), (1246, 41030), (1492, 34265), (1540, 33197), (1780, 28721), (1865, 27412), (1958, 26110), (2492, 20515), (2611, 19580), (3115, 16412), (3730, 13706), (3916, 13055), (4103, 12460), (4895, 10444), (5222, 9790), (6230, 8206), (6853, 7460)]