515007220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{21767}}^1$

素因数の和:21809

約数の個数: 72

約数和(自身を含む): 1338470784

約数和(自身を除く): 823463564

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 4732, 5915, 11830, 21767, 23660, 43534, 87068, 108835, 152369, 217670, 282971, 304738, 435340, 565942, 609476, 761845, 1131884, 1414855, 1523690, 1980797, 2829710, 3047380, 3678623, 3961594, 5659420, 7357246, 7923188, 9903985, 14714492, 18393115, 19807970, 25750361, 36786230, 39615940, 51500722, 73572460, 103001444, 128751805, 257503610, 515007220]

約数ペア:

[(1, 515007220), (2, 257503610), (4, 128751805), (5, 103001444), (7, 73572460), (10, 51500722), (13, 39615940), (14, 36786230), (20, 25750361), (26, 19807970), (28, 18393115), (35, 14714492), (52, 9903985), (65, 7923188), (70, 7357246), (91, 5659420), (130, 3961594), (140, 3678623), (169, 3047380), (182, 2829710), (260, 1980797), (338, 1523690), (364, 1414855), (455, 1131884), (676, 761845), (845, 609476), (910, 565942), (1183, 435340), (1690, 304738), (1820, 282971), (2366, 217670), (3380, 152369), (4732, 108835), (5915, 87068), (11830, 43534), (21767, 23660)]