988764400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{190147}}^1$

素因数の和:190178

約数の個数: 60

約数和(自身を含む): 2558251192

約数和(自身を除く): 1569486792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 190147, 380294, 760588, 950735, 1521176, 1901470, 2471911, 3042352, 3802940, 4753675, 4943822, 7605880, 9507350, 9887644, 12359555, 15211760, 19014700, 19775288, 24719110, 38029400, 39550576, 49438220, 61797775, 76058800, 98876440, 123595550, 197752880, 247191100, 494382200, 988764400]

約数ペア:

[(1, 988764400), (2, 494382200), (4, 247191100), (5, 197752880), (8, 123595550), (10, 98876440), (13, 76058800), (16, 61797775), (20, 49438220), (25, 39550576), (26, 38029400), (40, 24719110), (50, 19775288), (52, 19014700), (65, 15211760), (80, 12359555), (100, 9887644), (104, 9507350), (130, 7605880), (200, 4943822), (208, 4753675), (260, 3802940), (325, 3042352), (400, 2471911), (520, 1901470), (650, 1521176), (1040, 950735), (1300, 760588), (2600, 380294), (5200, 190147)]