1490339907920

素因数分解:

$2^4\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{11798131}}^1$

素因数の和:11799723

約数の個数: 40

約数和(自身を含む): 3467235032160

約数和(自身を除く): 1976895124240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1579, 3158, 6316, 7895, 12632, 15790, 25264, 31580, 63160, 126320, 11798131, 23596262, 47192524, 58990655, 94385048, 117981310, 188770096, 235962620, 471925240, 943850480, 18629248849, 37258497698, 74516995396, 93146244245, 149033990792, 186292488490, 298067981584, 372584976980, 745169953960, 1490339907920]

約数ペア:

[(1, 1490339907920), (2, 745169953960), (4, 372584976980), (5, 298067981584), (8, 186292488490), (10, 149033990792), (16, 93146244245), (20, 74516995396), (40, 37258497698), (80, 18629248849), (1579, 943850480), (3158, 471925240), (6316, 235962620), (7895, 188770096), (12632, 117981310), (15790, 94385048), (25264, 58990655), (31580, 47192524), (63160, 23596262), (126320, 11798131)]