207741320

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 475735680

約数和(自身を除く): 267994360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 167, 227, 274, 334, 454, 548, 668, 685, 835, 908, 1096, 1135, 1336, 1370, 1670, 1816, 2270, 2740, 3340, 4540, 5480, 6680, 9080, 22879, 31099, 37909, 45758, 62198, 75818, 91516, 114395, 124396, 151636, 155495, 183032, 189545, 228790, 248792, 303272, 310990, 379090, 457580, 621980, 758180, 915160, 1243960, 1516360, 5193533, 10387066, 20774132, 25967665, 41548264, 51935330, 103870660, 207741320]

約数ペア:

[(1, 207741320), (2, 103870660), (4, 51935330), (5, 41548264), (8, 25967665), (10, 20774132), (20, 10387066), (40, 5193533), (137, 1516360), (167, 1243960), (227, 915160), (274, 758180), (334, 621980), (454, 457580), (548, 379090), (668, 310990), (685, 303272), (835, 248792), (908, 228790), (1096, 189545), (1135, 183032), (1336, 155495), (1370, 151636), (1670, 124396), (1816, 114395), (2270, 91516), (2740, 75818), (3340, 62198), (4540, 45758), (5480, 37909), (6680, 31099), (9080, 22879)]