17177780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 20924620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 349, 428, 460, 535, 698, 1070, 1396, 1745, 2140, 2461, 3490, 4922, 6980, 8027, 9844, 12305, 16054, 24610, 32108, 37343, 40135, 49220, 74686, 80270, 149372, 160540, 186715, 373430, 746860, 858889, 1717778, 3435556, 4294445, 8588890, 17177780]

約数ペア:

[(1, 17177780), (2, 8588890), (4, 4294445), (5, 3435556), (10, 1717778), (20, 858889), (23, 746860), (46, 373430), (92, 186715), (107, 160540), (115, 149372), (214, 80270), (230, 74686), (349, 49220), (428, 40135), (460, 37343), (535, 32108), (698, 24610), (1070, 16054), (1396, 12305), (1745, 9844), (2140, 8027), (2461, 6980), (3490, 4922)]