27405290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 56920320

約数和(自身を除く): 29515030

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 71, 110, 121, 142, 145, 242, 290, 319, 355, 605, 638, 710, 781, 1210, 1331, 1562, 1595, 2059, 2662, 3190, 3509, 3905, 4118, 6655, 7018, 7810, 8591, 10295, 13310, 17182, 17545, 20590, 22649, 35090, 38599, 42955, 45298, 77198, 85910, 94501, 113245, 189002, 192995, 226490, 249139, 385990, 472505, 498278, 945010, 1245695, 2491390, 2740529, 5481058, 13702645, 27405290]

約数ペア:

[(1, 27405290), (2, 13702645), (5, 5481058), (10, 2740529), (11, 2491390), (22, 1245695), (29, 945010), (55, 498278), (58, 472505), (71, 385990), (110, 249139), (121, 226490), (142, 192995), (145, 189002), (242, 113245), (290, 94501), (319, 85910), (355, 77198), (605, 45298), (638, 42955), (710, 38599), (781, 35090), (1210, 22649), (1331, 20590), (1562, 17545), (1595, 17182), (2059, 13310), (2662, 10295), (3190, 8591), (3509, 7810), (3905, 7018), (4118, 6655)]