2454790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 4971456

約数和(自身を除く): 2516666

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 821, 1495, 1642, 2990, 4105, 8210, 10673, 18883, 21346, 37766, 53365, 94415, 106730, 188830, 245479, 490958, 1227395, 2454790]

約数ペア:

[(1, 2454790), (2, 1227395), (5, 490958), (10, 245479), (13, 188830), (23, 106730), (26, 94415), (46, 53365), (65, 37766), (115, 21346), (130, 18883), (230, 10673), (299, 8210), (598, 4105), (821, 2990), (1495, 1642)]