27938020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{151}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 66725568

約数和(自身を除く): 38787548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 151, 220, 290, 302, 319, 580, 604, 638, 755, 841, 1276, 1510, 1595, 1661, 1682, 3020, 3190, 3322, 3364, 4205, 4379, 6380, 6644, 8305, 8410, 8758, 9251, 16610, 16820, 17516, 18502, 21895, 33220, 37004, 43790, 46255, 48169, 87580, 92510, 96338, 126991, 185020, 192676, 240845, 253982, 481690, 507964, 634955, 963380, 1269910, 1396901, 2539820, 2793802, 5587604, 6984505, 13969010, 27938020]

約数ペア:

[(1, 27938020), (2, 13969010), (4, 6984505), (5, 5587604), (10, 2793802), (11, 2539820), (20, 1396901), (22, 1269910), (29, 963380), (44, 634955), (55, 507964), (58, 481690), (110, 253982), (116, 240845), (145, 192676), (151, 185020), (220, 126991), (290, 96338), (302, 92510), (319, 87580), (580, 48169), (604, 46255), (638, 43790), (755, 37004), (841, 33220), (1276, 21895), (1510, 18502), (1595, 17516), (1661, 16820), (1682, 16610), (3020, 9251), (3190, 8758), (3322, 8410), (3364, 8305), (4205, 6644), (4379, 6380)]