205281890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{98221}}^1$

素因数の和:98258

約数の個数: 32

約数和(自身を含む): 424319040

約数和(自身を除く): 219037150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 98221, 196442, 491105, 982210, 1080431, 1866199, 2160862, 3732398, 5402155, 9330995, 10804310, 18661990, 20528189, 41056378, 102640945, 205281890]

約数ペア:

[(1, 205281890), (2, 102640945), (5, 41056378), (10, 20528189), (11, 18661990), (19, 10804310), (22, 9330995), (38, 5402155), (55, 3732398), (95, 2160862), (110, 1866199), (190, 1080431), (209, 982210), (418, 491105), (1045, 196442), (2090, 98221)]