678232510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2085

約数の個数: 64

約数和(自身を含む): 1364688000

約数和(自身を除く): 686455490

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 89, 115, 170, 178, 230, 391, 445, 782, 890, 1513, 1949, 1955, 2047, 3026, 3898, 3910, 4094, 7565, 9745, 10235, 15130, 19490, 20470, 33133, 34799, 44827, 66266, 69598, 89654, 165665, 173461, 173995, 224135, 331330, 346922, 347990, 448270, 762059, 867305, 1524118, 1734610, 2948837, 3810295, 3989603, 5897674, 7620590, 7979206, 14744185, 19948015, 29488370, 39896030, 67823251, 135646502, 339116255, 678232510]

約数ペア:

[(1, 678232510), (2, 339116255), (5, 135646502), (10, 67823251), (17, 39896030), (23, 29488370), (34, 19948015), (46, 14744185), (85, 7979206), (89, 7620590), (115, 5897674), (170, 3989603), (178, 3810295), (230, 2948837), (391, 1734610), (445, 1524118), (782, 867305), (890, 762059), (1513, 448270), (1949, 347990), (1955, 346922), (2047, 331330), (3026, 224135), (3898, 173995), (3910, 173461), (4094, 165665), (7565, 89654), (9745, 69598), (10235, 66266), (15130, 44827), (19490, 34799), (20470, 33133)]