1799686520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 4337418240

約数和(自身を除く): 2537731720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 127, 146, 184, 211, 230, 254, 292, 365, 422, 460, 508, 584, 635, 730, 844, 920, 1016, 1055, 1270, 1460, 1679, 1688, 2110, 2540, 2920, 2921, 3358, 4220, 4853, 5080, 5842, 6716, 8395, 8440, 9271, 9706, 11684, 13432, 14605, 15403, 16790, 18542, 19412, 23368, 24265, 26797, 29210, 30806, 33580, 37084, 38824, 46355, 48530, 53594, 58420, 61612, 67160, 74168, 77015, 92710, 97060, 107188, 116840, 123224, 133985, 154030, 185420, 194120, 213233, 214376, 267970, 308060, 354269, 370840, 426466, 535940, 616120, 616331, 708538, 852932, 1066165, 1071880, 1232662, 1417076, 1705864, 1771345, 1956181, 2132330, 2465324, 2834152, 3081655, 3542690, 3912362, 4264660, 4930648, 6163310, 7085380, 7824724, 8529320, 9780905, 12326620, 14170760, 15649448, 19561810, 24653240, 39123620, 44992163, 78247240, 89984326, 179968652, 224960815, 359937304, 449921630, 899843260, 1799686520]

約数ペア:

[(1, 1799686520), (2, 899843260), (4, 449921630), (5, 359937304), (8, 224960815), (10, 179968652), (20, 89984326), (23, 78247240), (40, 44992163), (46, 39123620), (73, 24653240), (92, 19561810), (115, 15649448), (127, 14170760), (146, 12326620), (184, 9780905), (211, 8529320), (230, 7824724), (254, 7085380), (292, 6163310), (365, 4930648), (422, 4264660), (460, 3912362), (508, 3542690), (584, 3081655), (635, 2834152), (730, 2465324), (844, 2132330), (920, 1956181), (1016, 1771345), (1055, 1705864), (1270, 1417076), (1460, 1232662), (1679, 1071880), (1688, 1066165), (2110, 852932), (2540, 708538), (2920, 616331), (2921, 616120), (3358, 535940), (4220, 426466), (4853, 370840), (5080, 354269), (5842, 308060), (6716, 267970), (8395, 214376), (8440, 213233), (9271, 194120), (9706, 185420), (11684, 154030), (13432, 133985), (14605, 123224), (15403, 116840), (16790, 107188), (18542, 97060), (19412, 92710), (23368, 77015), (24265, 74168), (26797, 67160), (29210, 61612), (30806, 58420), (33580, 53594), (37084, 48530), (38824, 46355)]