205940240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 559785600

約数和(自身を除く): 353845360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 109, 110, 113, 152, 176, 190, 209, 218, 220, 226, 304, 380, 418, 436, 440, 452, 545, 565, 760, 836, 872, 880, 904, 1045, 1090, 1130, 1199, 1243, 1520, 1672, 1744, 1808, 2071, 2090, 2147, 2180, 2260, 2398, 2486, 3344, 4142, 4180, 4294, 4360, 4520, 4796, 4972, 5995, 6215, 8284, 8360, 8588, 8720, 9040, 9592, 9944, 10355, 10735, 11990, 12317, 12430, 16568, 16720, 17176, 19184, 19888, 20710, 21470, 22781, 23617, 23980, 24634, 24860, 33136, 34352, 41420, 42940, 45562, 47234, 47960, 49268, 49720, 61585, 82840, 85880, 91124, 94468, 95920, 98536, 99440, 113905, 118085, 123170, 135487, 165680, 171760, 182248, 188936, 197072, 227810, 234023, 236170, 246340, 270974, 364496, 377872, 455620, 468046, 472340, 492680, 541948, 677435, 911240, 936092, 944680, 985360, 1083896, 1170115, 1354870, 1822480, 1872184, 1889360, 2167792, 2340230, 2574253, 2709740, 3744368, 4680460, 5148506, 5419480, 9360920, 10297012, 10838960, 12871265, 18721840, 20594024, 25742530, 41188048, 51485060, 102970120, 205940240]

約数ペア:

[(1, 205940240), (2, 102970120), (4, 51485060), (5, 41188048), (8, 25742530), (10, 20594024), (11, 18721840), (16, 12871265), (19, 10838960), (20, 10297012), (22, 9360920), (38, 5419480), (40, 5148506), (44, 4680460), (55, 3744368), (76, 2709740), (80, 2574253), (88, 2340230), (95, 2167792), (109, 1889360), (110, 1872184), (113, 1822480), (152, 1354870), (176, 1170115), (190, 1083896), (209, 985360), (218, 944680), (220, 936092), (226, 911240), (304, 677435), (380, 541948), (418, 492680), (436, 472340), (440, 468046), (452, 455620), (545, 377872), (565, 364496), (760, 270974), (836, 246340), (872, 236170), (880, 234023), (904, 227810), (1045, 197072), (1090, 188936), (1130, 182248), (1199, 171760), (1243, 165680), (1520, 135487), (1672, 123170), (1744, 118085), (1808, 113905), (2071, 99440), (2090, 98536), (2147, 95920), (2180, 94468), (2260, 91124), (2398, 85880), (2486, 82840), (3344, 61585), (4142, 49720), (4180, 49268), (4294, 47960), (4360, 47234), (4520, 45562), (4796, 42940), (4972, 41420), (5995, 34352), (6215, 33136), (8284, 24860), (8360, 24634), (8588, 23980), (8720, 23617), (9040, 22781), (9592, 21470), (9944, 20710), (10355, 19888), (10735, 19184), (11990, 17176), (12317, 16720), (12430, 16568)]