203450560

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:434

約数の個数: 112

約数和(自身を含む): 518464800

約数和(自身を除く): 315014240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 149, 160, 170, 251, 272, 298, 320, 340, 502, 544, 596, 680, 745, 1004, 1088, 1192, 1255, 1360, 1490, 2008, 2384, 2510, 2533, 2720, 2980, 4016, 4267, 4768, 5020, 5066, 5440, 5960, 8032, 8534, 9536, 10040, 10132, 11920, 12665, 16064, 17068, 20080, 20264, 21335, 23840, 25330, 34136, 37399, 40160, 40528, 42670, 47680, 50660, 68272, 74798, 80320, 81056, 85340, 101320, 136544, 149596, 162112, 170680, 186995, 202640, 273088, 299192, 341360, 373990, 405280, 598384, 635783, 682720, 747980, 810560, 1196768, 1271566, 1365440, 1495960, 2393536, 2543132, 2991920, 3178915, 5086264, 5983840, 6357830, 10172528, 11967680, 12715660, 20345056, 25431320, 40690112, 50862640, 101725280, 203450560]

約数ペア:

[(1, 203450560), (2, 101725280), (4, 50862640), (5, 40690112), (8, 25431320), (10, 20345056), (16, 12715660), (17, 11967680), (20, 10172528), (32, 6357830), (34, 5983840), (40, 5086264), (64, 3178915), (68, 2991920), (80, 2543132), (85, 2393536), (136, 1495960), (149, 1365440), (160, 1271566), (170, 1196768), (251, 810560), (272, 747980), (298, 682720), (320, 635783), (340, 598384), (502, 405280), (544, 373990), (596, 341360), (680, 299192), (745, 273088), (1004, 202640), (1088, 186995), (1192, 170680), (1255, 162112), (1360, 149596), (1490, 136544), (2008, 101320), (2384, 85340), (2510, 81056), (2533, 80320), (2720, 74798), (2980, 68272), (4016, 50660), (4267, 47680), (4768, 42670), (5020, 40528), (5066, 40160), (5440, 37399), (5960, 34136), (8032, 25330), (8534, 23840), (9536, 21335), (10040, 20264), (10132, 20080), (11920, 17068), (12665, 16064)]