209546560

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:512

約数の個数: 112

約数和(自身を含む): 529327872

約数和(自身を除く): 319781312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 71, 80, 92, 115, 142, 160, 184, 230, 284, 320, 355, 368, 401, 460, 568, 710, 736, 802, 920, 1136, 1420, 1472, 1604, 1633, 1840, 2005, 2272, 2840, 3208, 3266, 3680, 4010, 4544, 5680, 6416, 6532, 7360, 8020, 8165, 9223, 11360, 12832, 13064, 16040, 16330, 18446, 22720, 25664, 26128, 28471, 32080, 32660, 36892, 46115, 52256, 56942, 64160, 65320, 73784, 92230, 104512, 113884, 128320, 130640, 142355, 147568, 184460, 227768, 261280, 284710, 295136, 368920, 455536, 522560, 569420, 590272, 654833, 737840, 911072, 1138840, 1309666, 1475680, 1822144, 2277680, 2619332, 2951360, 3274165, 4555360, 5238664, 6548330, 9110720, 10477328, 13096660, 20954656, 26193320, 41909312, 52386640, 104773280, 209546560]

約数ペア:

[(1, 209546560), (2, 104773280), (4, 52386640), (5, 41909312), (8, 26193320), (10, 20954656), (16, 13096660), (20, 10477328), (23, 9110720), (32, 6548330), (40, 5238664), (46, 4555360), (64, 3274165), (71, 2951360), (80, 2619332), (92, 2277680), (115, 1822144), (142, 1475680), (160, 1309666), (184, 1138840), (230, 911072), (284, 737840), (320, 654833), (355, 590272), (368, 569420), (401, 522560), (460, 455536), (568, 368920), (710, 295136), (736, 284710), (802, 261280), (920, 227768), (1136, 184460), (1420, 147568), (1472, 142355), (1604, 130640), (1633, 128320), (1840, 113884), (2005, 104512), (2272, 92230), (2840, 73784), (3208, 65320), (3266, 64160), (3680, 56942), (4010, 52256), (4544, 46115), (5680, 36892), (6416, 32660), (6532, 32080), (7360, 28471), (8020, 26128), (8165, 25664), (9223, 22720), (11360, 18446), (12832, 16330), (13064, 16040)]