685344400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131797}}^1$

素因数の和:131828

約数の個数: 60

約数和(自身を含む): 1773210292

約数和(自身を除く): 1087865892

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, 131797, 263594, 527188, 658985, 1054376, 1317970, 1713361, 2108752, 2635940, 3294925, 3426722, 5271880, 6589850, 6853444, 8566805, 10543760, 13179700, 13706888, 17133610, 26359400, 27413776, 34267220, 42834025, 52718800, 68534440, 85668050, 137068880, 171336100, 342672200, 685344400]

約数ペア:

[(1, 685344400), (2, 342672200), (4, 171336100), (5, 137068880), (8, 85668050), (10, 68534440), (13, 52718800), (16, 42834025), (20, 34267220), (25, 27413776), (26, 26359400), (40, 17133610), (50, 13706888), (52, 13179700), (65, 10543760), (80, 8566805), (100, 6853444), (104, 6589850), (130, 5271880), (200, 3426722), (208, 3294925), (260, 2635940), (325, 2108752), (400, 1713361), (520, 1317970), (650, 1054376), (1040, 658985), (1300, 527188), (2600, 263594), (5200, 131797)]