27717580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{349}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 67208400

約数和(自身を除く): 39490820

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 349, 361, 380, 418, 698, 722, 836, 1045, 1396, 1444, 1745, 1805, 2090, 3490, 3610, 3839, 3971, 4180, 6631, 6980, 7220, 7678, 7942, 13262, 15356, 15884, 19195, 19855, 26524, 33155, 38390, 39710, 66310, 72941, 76780, 79420, 125989, 132620, 145882, 251978, 291764, 364705, 503956, 629945, 729410, 1259890, 1385879, 1458820, 2519780, 2771758, 5543516, 6929395, 13858790, 27717580]

約数ペア:

[(1, 27717580), (2, 13858790), (4, 6929395), (5, 5543516), (10, 2771758), (11, 2519780), (19, 1458820), (20, 1385879), (22, 1259890), (38, 729410), (44, 629945), (55, 503956), (76, 364705), (95, 291764), (110, 251978), (190, 145882), (209, 132620), (220, 125989), (349, 79420), (361, 76780), (380, 72941), (418, 66310), (698, 39710), (722, 38390), (836, 33155), (1045, 26524), (1396, 19855), (1444, 19195), (1745, 15884), (1805, 15356), (2090, 13262), (3490, 7942), (3610, 7678), (3839, 7220), (3971, 6980), (4180, 6631)]