208141010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:432

約数の個数: 128

約数和(自身を含む): 505128960

約数和(自身を除く): 296987950

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 41, 55, 70, 77, 82, 95, 110, 133, 154, 190, 205, 209, 266, 287, 347, 385, 410, 418, 451, 574, 665, 694, 770, 779, 902, 1045, 1330, 1435, 1463, 1558, 1735, 2090, 2255, 2429, 2870, 2926, 3157, 3470, 3817, 3895, 4510, 4858, 5453, 6314, 6593, 7315, 7634, 7790, 8569, 10906, 12145, 13186, 14227, 14630, 15785, 17138, 19085, 24290, 26719, 27265, 28454, 31570, 32965, 38170, 42845, 46151, 53438, 54530, 59983, 65930, 71135, 72523, 85690, 92302, 99589, 119966, 133595, 142270, 145046, 156497, 199178, 230755, 267190, 270313, 299915, 312994, 362615, 461510, 497945, 507661, 540626, 599830, 725230, 782485, 995890, 1015322, 1095479, 1351565, 1564970, 1892191, 2190958, 2538305, 2703130, 2973443, 3784382, 5076610, 5477395, 5946886, 9460955, 10954790, 14867215, 18921910, 20814101, 29734430, 41628202, 104070505, 208141010]

約数ペア:

[(1, 208141010), (2, 104070505), (5, 41628202), (7, 29734430), (10, 20814101), (11, 18921910), (14, 14867215), (19, 10954790), (22, 9460955), (35, 5946886), (38, 5477395), (41, 5076610), (55, 3784382), (70, 2973443), (77, 2703130), (82, 2538305), (95, 2190958), (110, 1892191), (133, 1564970), (154, 1351565), (190, 1095479), (205, 1015322), (209, 995890), (266, 782485), (287, 725230), (347, 599830), (385, 540626), (410, 507661), (418, 497945), (451, 461510), (574, 362615), (665, 312994), (694, 299915), (770, 270313), (779, 267190), (902, 230755), (1045, 199178), (1330, 156497), (1435, 145046), (1463, 142270), (1558, 133595), (1735, 119966), (2090, 99589), (2255, 92302), (2429, 85690), (2870, 72523), (2926, 71135), (3157, 65930), (3470, 59983), (3817, 54530), (3895, 53438), (4510, 46151), (4858, 42845), (5453, 38170), (6314, 32965), (6593, 31570), (7315, 28454), (7634, 27265), (7790, 26719), (8569, 24290), (10906, 19085), (12145, 17138), (13186, 15785), (14227, 14630)]