187653080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{76907}}^1$

素因数の和:76979

約数の個数: 32

約数和(自身を含む): 429146640

約数和(自身を除く): 241493560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 76907, 153814, 307628, 384535, 615256, 769070, 1538140, 3076280, 4691327, 9382654, 18765308, 23456635, 37530616, 46913270, 93826540, 187653080]

約数ペア:

[(1, 187653080), (2, 93826540), (4, 46913270), (5, 37530616), (8, 23456635), (10, 18765308), (20, 9382654), (40, 4691327), (61, 3076280), (122, 1538140), (244, 769070), (305, 615256), (488, 384535), (610, 307628), (1220, 153814), (2440, 76907)]