210663640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 551577600

約数和(自身を除く): 340913960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 113, 152, 190, 209, 220, 223, 226, 380, 418, 440, 446, 452, 565, 760, 836, 892, 904, 1045, 1115, 1130, 1243, 1672, 1784, 2090, 2147, 2230, 2260, 2453, 2486, 4180, 4237, 4294, 4460, 4520, 4906, 4972, 6215, 8360, 8474, 8588, 8920, 9812, 9944, 10735, 12265, 12430, 16948, 17176, 19624, 21185, 21470, 23617, 24530, 24860, 25199, 33896, 42370, 42940, 46607, 47234, 49060, 49720, 50398, 84740, 85880, 93214, 94468, 98120, 100796, 118085, 125995, 169480, 186428, 188936, 201592, 233035, 236170, 251990, 277189, 372856, 466070, 472340, 478781, 503980, 554378, 932140, 944680, 957562, 1007960, 1108756, 1385945, 1864280, 1915124, 2217512, 2393905, 2771890, 3830248, 4787810, 5266591, 5543780, 9575620, 10533182, 11087560, 19151240, 21066364, 26332955, 42132728, 52665910, 105331820, 210663640]

約数ペア:

[(1, 210663640), (2, 105331820), (4, 52665910), (5, 42132728), (8, 26332955), (10, 21066364), (11, 19151240), (19, 11087560), (20, 10533182), (22, 9575620), (38, 5543780), (40, 5266591), (44, 4787810), (55, 3830248), (76, 2771890), (88, 2393905), (95, 2217512), (110, 1915124), (113, 1864280), (152, 1385945), (190, 1108756), (209, 1007960), (220, 957562), (223, 944680), (226, 932140), (380, 554378), (418, 503980), (440, 478781), (446, 472340), (452, 466070), (565, 372856), (760, 277189), (836, 251990), (892, 236170), (904, 233035), (1045, 201592), (1115, 188936), (1130, 186428), (1243, 169480), (1672, 125995), (1784, 118085), (2090, 100796), (2147, 98120), (2230, 94468), (2260, 93214), (2453, 85880), (2486, 84740), (4180, 50398), (4237, 49720), (4294, 49060), (4460, 47234), (4520, 46607), (4906, 42940), (4972, 42370), (6215, 33896), (8360, 25199), (8474, 24860), (8588, 24530), (8920, 23617), (9812, 21470), (9944, 21185), (10735, 19624), (12265, 17176), (12430, 16948)]