399876650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{1307}}^1$

素因数の和:1559

約数の個数: 48

約数和(自身を含む): 773655840

約数和(自身を除く): 373779190

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 211, 290, 422, 725, 1055, 1307, 1450, 2110, 2614, 5275, 6119, 6535, 10550, 12238, 13070, 30595, 32675, 37903, 61190, 65350, 75806, 152975, 189515, 275777, 305950, 379030, 551554, 947575, 1378885, 1895150, 2757770, 6894425, 7997533, 13788850, 15995066, 39987665, 79975330, 199938325, 399876650]

約数ペア:

[(1, 399876650), (2, 199938325), (5, 79975330), (10, 39987665), (25, 15995066), (29, 13788850), (50, 7997533), (58, 6894425), (145, 2757770), (211, 1895150), (290, 1378885), (422, 947575), (725, 551554), (1055, 379030), (1307, 305950), (1450, 275777), (2110, 189515), (2614, 152975), (5275, 75806), (6119, 65350), (6535, 61190), (10550, 37903), (12238, 32675), (13070, 30595)]