406156910

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1\times {\mathrm{821}}^1$

素因数の和:1700

約数の個数: 32

約数和(自身を含む): 744889824

約数和(自身を除く): 338732914

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 811, 821, 1622, 1642, 4055, 4105, 8110, 8210, 49471, 50081, 98942, 100162, 247355, 250405, 494710, 500810, 665831, 1331662, 3329155, 6658310, 40615691, 81231382, 203078455, 406156910]

約数ペア:

[(1, 406156910), (2, 203078455), (5, 81231382), (10, 40615691), (61, 6658310), (122, 3329155), (305, 1331662), (610, 665831), (811, 500810), (821, 494710), (1622, 250405), (1642, 247355), (4055, 100162), (4105, 98942), (8110, 50081), (8210, 49471)]