505596260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{7229}}^1$

素因数の和:7520

約数の個数: 48

約数和(自身を含む): 1147834800

約数和(自身を除く): 642238540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 1076, 1345, 2690, 3497, 5380, 6994, 7229, 13988, 14458, 17485, 28916, 34970, 36145, 69940, 72290, 93977, 144580, 187954, 375908, 469885, 939770, 1879540, 1944601, 3889202, 7778404, 9723005, 19446010, 25279813, 38892020, 50559626, 101119252, 126399065, 252798130, 505596260]

約数ペア:

[(1, 505596260), (2, 252798130), (4, 126399065), (5, 101119252), (10, 50559626), (13, 38892020), (20, 25279813), (26, 19446010), (52, 9723005), (65, 7778404), (130, 3889202), (260, 1944601), (269, 1879540), (538, 939770), (1076, 469885), (1345, 375908), (2690, 187954), (3497, 144580), (5380, 93977), (6994, 72290), (7229, 69940), (13988, 36145), (14458, 34970), (17485, 28916)]