11428880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 28629120

約数和(自身を除く): 17200240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 103, 146, 152, 190, 206, 292, 304, 365, 380, 412, 515, 584, 730, 760, 824, 1030, 1168, 1387, 1460, 1520, 1648, 1957, 2060, 2774, 2920, 3914, 4120, 5548, 5840, 6935, 7519, 7828, 8240, 9785, 11096, 13870, 15038, 15656, 19570, 22192, 27740, 30076, 31312, 37595, 39140, 55480, 60152, 75190, 78280, 110960, 120304, 142861, 150380, 156560, 285722, 300760, 571444, 601520, 714305, 1142888, 1428610, 2285776, 2857220, 5714440, 11428880]

約数ペア:

[(1, 11428880), (2, 5714440), (4, 2857220), (5, 2285776), (8, 1428610), (10, 1142888), (16, 714305), (19, 601520), (20, 571444), (38, 300760), (40, 285722), (73, 156560), (76, 150380), (80, 142861), (95, 120304), (103, 110960), (146, 78280), (152, 75190), (190, 60152), (206, 55480), (292, 39140), (304, 37595), (365, 31312), (380, 30076), (412, 27740), (515, 22192), (584, 19570), (730, 15656), (760, 15038), (824, 13870), (1030, 11096), (1168, 9785), (1387, 8240), (1460, 7828), (1520, 7519), (1648, 6935), (1957, 5840), (2060, 5548), (2774, 4120), (2920, 3914)]