1329996580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{318181}}^1$

素因数の和:318220

約数の個数: 48

約数和(自身を含む): 3207274560

約数和(自身を除く): 1877277980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 318181, 636362, 1272724, 1590905, 3181810, 3499991, 6045439, 6363620, 6999982, 12090878, 13999964, 17499955, 24181756, 30227195, 34999910, 60454390, 66499829, 69999820, 120908780, 132999658, 265999316, 332499145, 664998290, 1329996580]

約数ペア:

[(1, 1329996580), (2, 664998290), (4, 332499145), (5, 265999316), (10, 132999658), (11, 120908780), (19, 69999820), (20, 66499829), (22, 60454390), (38, 34999910), (44, 30227195), (55, 24181756), (76, 17499955), (95, 13999964), (110, 12090878), (190, 6999982), (209, 6363620), (220, 6045439), (380, 3499991), (418, 3181810), (836, 1590905), (1045, 1272724), (2090, 636362), (4180, 318181)]