145614280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{74293}}^1$

素因数の和:74318

約数の個数: 48

約数和(自身を含む): 381128220

約数和(自身を除く): 235513940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 74293, 148586, 297172, 371465, 520051, 594344, 742930, 1040102, 1485860, 2080204, 2600255, 2971720, 3640357, 4160408, 5200510, 7280714, 10401020, 14561428, 18201785, 20802040, 29122856, 36403570, 72807140, 145614280]

約数ペア:

[(1, 145614280), (2, 72807140), (4, 36403570), (5, 29122856), (7, 20802040), (8, 18201785), (10, 14561428), (14, 10401020), (20, 7280714), (28, 5200510), (35, 4160408), (40, 3640357), (49, 2971720), (56, 2600255), (70, 2080204), (98, 1485860), (140, 1040102), (196, 742930), (245, 594344), (280, 520051), (392, 371465), (490, 297172), (980, 148586), (1960, 74293)]