405543450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{207971}}^1$

素因数の和:207999

約数の個数: 48

約数和(自身を含む): 1083118176

約数和(自身を除く): 677574726

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 207971, 415942, 623913, 1039855, 1247826, 2079710, 2703623, 3119565, 5199275, 5407246, 6239130, 8110869, 10398550, 13518115, 15597825, 16221738, 27036230, 31195650, 40554345, 67590575, 81108690, 135181150, 202771725, 405543450]

約数ペア:

[(1, 405543450), (2, 202771725), (3, 135181150), (5, 81108690), (6, 67590575), (10, 40554345), (13, 31195650), (15, 27036230), (25, 16221738), (26, 15597825), (30, 13518115), (39, 10398550), (50, 8110869), (65, 6239130), (75, 5407246), (78, 5199275), (130, 3119565), (150, 2703623), (195, 2079710), (325, 1247826), (390, 1039855), (650, 623913), (975, 415942), (1950, 207971)]