208201960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{140677}}^1$

素因数の和:140725

約数の個数: 32

約数和(自身を含む): 481118760

約数和(自身を除く): 272916800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 140677, 281354, 562708, 703385, 1125416, 1406770, 2813540, 5205049, 5627080, 10410098, 20820196, 26025245, 41640392, 52050490, 104100980, 208201960]

約数ペア:

[(1, 208201960), (2, 104100980), (4, 52050490), (5, 41640392), (8, 26025245), (10, 20820196), (20, 10410098), (37, 5627080), (40, 5205049), (74, 2813540), (148, 1406770), (185, 1125416), (296, 703385), (370, 562708), (740, 281354), (1480, 140677)]