199414480

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{9931}}^1$

素因数の和:10195

約数の個数: 40

約数和(自身を含む): 465532704

約数和(自身を除く): 266118224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 9931, 10040, 19862, 20080, 39724, 49655, 79448, 99310, 158896, 198620, 397240, 794480, 2492681, 4985362, 9970724, 12463405, 19941448, 24926810, 39882896, 49853620, 99707240, 199414480]

約数ペア:

[(1, 199414480), (2, 99707240), (4, 49853620), (5, 39882896), (8, 24926810), (10, 19941448), (16, 12463405), (20, 9970724), (40, 4985362), (80, 2492681), (251, 794480), (502, 397240), (1004, 198620), (1255, 158896), (2008, 99310), (2510, 79448), (4016, 49655), (5020, 39724), (9931, 20080), (10040, 19862)]