289148912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 620481120

約数和(自身を除く): 331332208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 137, 139, 146, 208, 274, 278, 292, 548, 556, 584, 949, 1096, 1112, 1168, 1781, 1807, 1898, 2192, 2224, 3562, 3614, 3796, 7124, 7228, 7592, 10001, 10147, 14248, 14456, 15184, 19043, 20002, 20294, 28496, 28912, 38086, 40004, 40588, 76172, 80008, 81176, 130013, 131911, 152344, 160016, 162352, 247559, 260026, 263822, 304688, 495118, 520052, 527644, 990236, 1040104, 1055288, 1390139, 1980472, 2080208, 2110576, 2780278, 3960944, 5560556, 11121112, 18071807, 22242224, 36143614, 72287228, 144574456, 289148912]

約数ペア:

[(1, 289148912), (2, 144574456), (4, 72287228), (8, 36143614), (13, 22242224), (16, 18071807), (26, 11121112), (52, 5560556), (73, 3960944), (104, 2780278), (137, 2110576), (139, 2080208), (146, 1980472), (208, 1390139), (274, 1055288), (278, 1040104), (292, 990236), (548, 527644), (556, 520052), (584, 495118), (949, 304688), (1096, 263822), (1112, 260026), (1168, 247559), (1781, 162352), (1807, 160016), (1898, 152344), (2192, 131911), (2224, 130013), (3562, 81176), (3614, 80008), (3796, 76172), (7124, 40588), (7228, 40004), (7592, 38086), (10001, 28912), (10147, 28496), (14248, 20294), (14456, 20002), (15184, 19043)]