17710660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 43013376

約数和(自身を除く): 25302716

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 223, 361, 380, 418, 446, 722, 836, 892, 1045, 1115, 1444, 1805, 2090, 2230, 2453, 3610, 3971, 4180, 4237, 4460, 4906, 7220, 7942, 8474, 9812, 12265, 15884, 16948, 19855, 21185, 24530, 39710, 42370, 46607, 49060, 79420, 80503, 84740, 93214, 161006, 186428, 233035, 322012, 402515, 466070, 805030, 885533, 932140, 1610060, 1771066, 3542132, 4427665, 8855330, 17710660]

約数ペア:

[(1, 17710660), (2, 8855330), (4, 4427665), (5, 3542132), (10, 1771066), (11, 1610060), (19, 932140), (20, 885533), (22, 805030), (38, 466070), (44, 402515), (55, 322012), (76, 233035), (95, 186428), (110, 161006), (190, 93214), (209, 84740), (220, 80503), (223, 79420), (361, 49060), (380, 46607), (418, 42370), (446, 39710), (722, 24530), (836, 21185), (892, 19855), (1045, 16948), (1115, 15884), (1444, 12265), (1805, 9812), (2090, 8474), (2230, 7942), (2453, 7220), (3610, 4906), (3971, 4460), (4180, 4237)]