200940680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{641}}^1$

素因数の和:1130

約数の個数: 64

約数和(自身を含む): 480498480

約数和(自身を除く): 279557800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 461, 641, 680, 922, 1282, 1844, 2305, 2564, 3205, 3688, 4610, 5128, 6410, 7837, 9220, 10897, 12820, 15674, 18440, 21794, 25640, 31348, 39185, 43588, 54485, 62696, 78370, 87176, 108970, 156740, 217940, 295501, 313480, 435880, 591002, 1182004, 1477505, 2364008, 2955010, 5023517, 5910020, 10047034, 11820040, 20094068, 25117585, 40188136, 50235170, 100470340, 200940680]

約数ペア:

[(1, 200940680), (2, 100470340), (4, 50235170), (5, 40188136), (8, 25117585), (10, 20094068), (17, 11820040), (20, 10047034), (34, 5910020), (40, 5023517), (68, 2955010), (85, 2364008), (136, 1477505), (170, 1182004), (340, 591002), (461, 435880), (641, 313480), (680, 295501), (922, 217940), (1282, 156740), (1844, 108970), (2305, 87176), (2564, 78370), (3205, 62696), (3688, 54485), (4610, 43588), (5128, 39185), (6410, 31348), (7837, 25640), (9220, 21794), (10897, 18440), (12820, 15674)]