611700680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{8087}}^1$

素因数の和:8190

約数の個数: 64

約数和(自身を含む): 1444193280

約数和(自身を除く): 832492600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 3782, 7564, 8087, 9455, 15128, 16174, 18910, 32348, 37820, 40435, 64696, 75640, 80870, 161740, 250697, 323480, 493307, 501394, 986614, 1002788, 1253485, 1973228, 2005576, 2466535, 2506970, 3946456, 4933070, 5013940, 9866140, 10027880, 15292517, 19732280, 30585034, 61170068, 76462585, 122340136, 152925170, 305850340, 611700680]

約数ペア:

[(1, 611700680), (2, 305850340), (4, 152925170), (5, 122340136), (8, 76462585), (10, 61170068), (20, 30585034), (31, 19732280), (40, 15292517), (61, 10027880), (62, 9866140), (122, 5013940), (124, 4933070), (155, 3946456), (244, 2506970), (248, 2466535), (305, 2005576), (310, 1973228), (488, 1253485), (610, 1002788), (620, 986614), (1220, 501394), (1240, 493307), (1891, 323480), (2440, 250697), (3782, 161740), (7564, 80870), (8087, 75640), (9455, 64696), (15128, 40435), (16174, 37820), (18910, 32348)]