89151860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8969}}^1$

素因数の和:9056

約数の個数: 48

約数和(自身を含む): 217002240

約数和(自身を除く): 127850380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 8969, 9940, 17938, 35876, 44845, 62783, 89690, 125566, 179380, 251132, 313915, 627830, 636799, 1255660, 1273598, 2547196, 3183995, 4457593, 6367990, 8915186, 12735980, 17830372, 22287965, 44575930, 89151860]

約数ペア:

[(1, 89151860), (2, 44575930), (4, 22287965), (5, 17830372), (7, 12735980), (10, 8915186), (14, 6367990), (20, 4457593), (28, 3183995), (35, 2547196), (70, 1273598), (71, 1255660), (140, 636799), (142, 627830), (284, 313915), (355, 251132), (497, 179380), (710, 125566), (994, 89690), (1420, 62783), (1988, 44845), (2485, 35876), (4970, 17938), (8969, 9940)]