197171840

素因数分解:

$2^7\times 5^1\times {\mathrm{308081}}^1$

素因数の和:308100

約数の個数: 32

約数和(自身を含む): 471365460

約数和(自身を除く): 274193620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 308081, 616162, 1232324, 1540405, 2464648, 3080810, 4929296, 6161620, 9858592, 12323240, 19717184, 24646480, 39434368, 49292960, 98585920, 197171840]

約数ペア:

[(1, 197171840), (2, 98585920), (4, 49292960), (5, 39434368), (8, 24646480), (10, 19717184), (16, 12323240), (20, 9858592), (32, 6161620), (40, 4929296), (64, 3080810), (80, 2464648), (128, 1540405), (160, 1232324), (320, 616162), (640, 308081)]