2890888

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:75

約数の個数: 96

約数和(自身を含む): 7680960

約数和(自身を除く): 4790072

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 56, 76, 77, 88, 91, 104, 133, 143, 152, 154, 182, 209, 247, 266, 286, 308, 361, 364, 418, 494, 532, 572, 616, 722, 728, 836, 988, 1001, 1064, 1144, 1444, 1463, 1672, 1729, 1976, 2002, 2527, 2717, 2888, 2926, 3458, 3971, 4004, 4693, 5054, 5434, 5852, 6916, 7942, 8008, 9386, 10108, 10868, 11704, 13832, 15884, 18772, 19019, 20216, 21736, 27797, 31768, 32851, 37544, 38038, 51623, 55594, 65702, 76076, 103246, 111188, 131404, 152152, 206492, 222376, 262808, 361361, 412984, 722722, 1445444, 2890888]

約数ペア:

[(1, 2890888), (2, 1445444), (4, 722722), (7, 412984), (8, 361361), (11, 262808), (13, 222376), (14, 206492), (19, 152152), (22, 131404), (26, 111188), (28, 103246), (38, 76076), (44, 65702), (52, 55594), (56, 51623), (76, 38038), (77, 37544), (88, 32851), (91, 31768), (104, 27797), (133, 21736), (143, 20216), (152, 19019), (154, 18772), (182, 15884), (209, 13832), (247, 11704), (266, 10868), (286, 10108), (308, 9386), (361, 8008), (364, 7942), (418, 6916), (494, 5852), (532, 5434), (572, 5054), (616, 4693), (722, 4004), (728, 3971), (836, 3458), (988, 2926), (1001, 2888), (1064, 2717), (1144, 2527), (1444, 2002), (1463, 1976), (1672, 1729)]