208535260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1699}}^1$

素因数の和:1763

約数の個数: 72

約数和(自身を含む): 489661200

約数和(自身を除く): 281125940

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 361, 380, 646, 722, 1292, 1444, 1615, 1699, 1805, 3230, 3398, 3610, 6137, 6460, 6796, 7220, 8495, 12274, 16990, 24548, 28883, 30685, 32281, 33980, 57766, 61370, 64562, 115532, 122740, 129124, 144415, 161405, 288830, 322810, 548777, 577660, 613339, 645620, 1097554, 1226678, 2195108, 2453356, 2743885, 3066695, 5487770, 6133390, 10426763, 10975540, 12266780, 20853526, 41707052, 52133815, 104267630, 208535260]

約数ペア:

[(1, 208535260), (2, 104267630), (4, 52133815), (5, 41707052), (10, 20853526), (17, 12266780), (19, 10975540), (20, 10426763), (34, 6133390), (38, 5487770), (68, 3066695), (76, 2743885), (85, 2453356), (95, 2195108), (170, 1226678), (190, 1097554), (323, 645620), (340, 613339), (361, 577660), (380, 548777), (646, 322810), (722, 288830), (1292, 161405), (1444, 144415), (1615, 129124), (1699, 122740), (1805, 115532), (3230, 64562), (3398, 61370), (3610, 57766), (6137, 33980), (6460, 32281), (6796, 30685), (7220, 28883), (8495, 24548), (12274, 16990)]