7378840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 20299680

約数和(自身を除く): 12920840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 73, 76, 95, 133, 140, 146, 152, 190, 266, 280, 292, 361, 365, 380, 511, 532, 584, 665, 722, 730, 760, 1022, 1064, 1330, 1387, 1444, 1460, 1805, 2044, 2527, 2555, 2660, 2774, 2888, 2920, 3610, 4088, 5054, 5110, 5320, 5548, 6935, 7220, 9709, 10108, 10220, 11096, 12635, 13870, 14440, 19418, 20216, 20440, 25270, 26353, 27740, 38836, 48545, 50540, 52706, 55480, 77672, 97090, 101080, 105412, 131765, 184471, 194180, 210824, 263530, 368942, 388360, 527060, 737884, 922355, 1054120, 1475768, 1844710, 3689420, 7378840]

約数ペア:

[(1, 7378840), (2, 3689420), (4, 1844710), (5, 1475768), (7, 1054120), (8, 922355), (10, 737884), (14, 527060), (19, 388360), (20, 368942), (28, 263530), (35, 210824), (38, 194180), (40, 184471), (56, 131765), (70, 105412), (73, 101080), (76, 97090), (95, 77672), (133, 55480), (140, 52706), (146, 50540), (152, 48545), (190, 38836), (266, 27740), (280, 26353), (292, 25270), (361, 20440), (365, 20216), (380, 19418), (511, 14440), (532, 13870), (584, 12635), (665, 11096), (722, 10220), (730, 10108), (760, 9709), (1022, 7220), (1064, 6935), (1330, 5548), (1387, 5320), (1444, 5110), (1460, 5054), (1805, 4088), (2044, 3610), (2527, 2920), (2555, 2888), (2660, 2774)]