216970000

素因数分解:

$2^4\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1669}}^1$

素因数の和:1710

約数の個数: 100

約数和(自身を含む): 566053180

約数和(自身を除く): 349083180

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 625, 650, 1000, 1040, 1250, 1300, 1625, 1669, 2000, 2500, 2600, 3250, 3338, 5000, 5200, 6500, 6676, 8125, 8345, 10000, 13000, 13352, 16250, 16690, 21697, 26000, 26704, 32500, 33380, 41725, 43394, 65000, 66760, 83450, 86788, 108485, 130000, 133520, 166900, 173576, 208625, 216970, 333800, 347152, 417250, 433940, 542425, 667600, 834500, 867880, 1043125, 1084850, 1669000, 1735760, 2086250, 2169700, 2712125, 3338000, 4172500, 4339400, 5424250, 8345000, 8678800, 10848500, 13560625, 16690000, 21697000, 27121250, 43394000, 54242500, 108485000, 216970000]

約数ペア:

[(1, 216970000), (2, 108485000), (4, 54242500), (5, 43394000), (8, 27121250), (10, 21697000), (13, 16690000), (16, 13560625), (20, 10848500), (25, 8678800), (26, 8345000), (40, 5424250), (50, 4339400), (52, 4172500), (65, 3338000), (80, 2712125), (100, 2169700), (104, 2086250), (125, 1735760), (130, 1669000), (200, 1084850), (208, 1043125), (250, 867880), (260, 834500), (325, 667600), (400, 542425), (500, 433940), (520, 417250), (625, 347152), (650, 333800), (1000, 216970), (1040, 208625), (1250, 173576), (1300, 166900), (1625, 133520), (1669, 130000), (2000, 108485), (2500, 86788), (2600, 83450), (3250, 66760), (3338, 65000), (5000, 43394), (5200, 41725), (6500, 33380), (6676, 32500), (8125, 26704), (8345, 26000), (10000, 21697), (13000, 16690), (13352, 16250)]