1494220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 3866688

約数和(自身を除く): 2372468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 821, 910, 1642, 1820, 3284, 4105, 5747, 8210, 10673, 11494, 16420, 21346, 22988, 28735, 42692, 53365, 57470, 74711, 106730, 114940, 149422, 213460, 298844, 373555, 747110, 1494220]

約数ペア:

[(1, 1494220), (2, 747110), (4, 373555), (5, 298844), (7, 213460), (10, 149422), (13, 114940), (14, 106730), (20, 74711), (26, 57470), (28, 53365), (35, 42692), (52, 28735), (65, 22988), (70, 21346), (91, 16420), (130, 11494), (140, 10673), (182, 8210), (260, 5747), (364, 4105), (455, 3284), (821, 1820), (910, 1642)]