30438980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 77898240

約数和(自身を除く): 47459260

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 29, 44, 52, 55, 58, 65, 110, 116, 130, 143, 145, 220, 260, 286, 290, 319, 367, 377, 572, 580, 638, 715, 734, 754, 1276, 1430, 1468, 1508, 1595, 1835, 1885, 2860, 3190, 3670, 3770, 4037, 4147, 4771, 6380, 7340, 7540, 8074, 8294, 9542, 10643, 16148, 16588, 19084, 20185, 20735, 21286, 23855, 40370, 41470, 42572, 47710, 52481, 53215, 80740, 82940, 95420, 104962, 106430, 117073, 138359, 209924, 212860, 234146, 262405, 276718, 468292, 524810, 553436, 585365, 691795, 1049620, 1170730, 1383590, 1521949, 2341460, 2767180, 3043898, 6087796, 7609745, 15219490, 30438980]

約数ペア:

[(1, 30438980), (2, 15219490), (4, 7609745), (5, 6087796), (10, 3043898), (11, 2767180), (13, 2341460), (20, 1521949), (22, 1383590), (26, 1170730), (29, 1049620), (44, 691795), (52, 585365), (55, 553436), (58, 524810), (65, 468292), (110, 276718), (116, 262405), (130, 234146), (143, 212860), (145, 209924), (220, 138359), (260, 117073), (286, 106430), (290, 104962), (319, 95420), (367, 82940), (377, 80740), (572, 53215), (580, 52481), (638, 47710), (715, 42572), (734, 41470), (754, 40370), (1276, 23855), (1430, 21286), (1468, 20735), (1508, 20185), (1595, 19084), (1835, 16588), (1885, 16148), (2860, 10643), (3190, 9542), (3670, 8294), (3770, 8074), (4037, 7540), (4147, 7340), (4771, 6380)]