2211220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 5574240

約数和(自身を除く): 3363020

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 23, 38, 44, 46, 55, 76, 92, 95, 110, 115, 190, 209, 220, 230, 253, 380, 418, 437, 460, 506, 529, 836, 874, 1012, 1045, 1058, 1265, 1748, 2090, 2116, 2185, 2530, 2645, 4180, 4370, 4807, 5060, 5290, 5819, 8740, 9614, 10051, 10580, 11638, 19228, 20102, 23276, 24035, 29095, 40204, 48070, 50255, 58190, 96140, 100510, 110561, 116380, 201020, 221122, 442244, 552805, 1105610, 2211220]

約数ペア:

[(1, 2211220), (2, 1105610), (4, 552805), (5, 442244), (10, 221122), (11, 201020), (19, 116380), (20, 110561), (22, 100510), (23, 96140), (38, 58190), (44, 50255), (46, 48070), (55, 40204), (76, 29095), (92, 24035), (95, 23276), (110, 20102), (115, 19228), (190, 11638), (209, 10580), (220, 10051), (230, 9614), (253, 8740), (380, 5819), (418, 5290), (437, 5060), (460, 4807), (506, 4370), (529, 4180), (836, 2645), (874, 2530), (1012, 2185), (1045, 2116), (1058, 2090), (1265, 1748)]