784038490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 1619896320

約数和(自身を除く): 835857830

約数列:

[1, 2, 5, 10, 23, 29, 41, 46, 47, 58, 61, 82, 94, 115, 122, 145, 205, 230, 235, 290, 305, 410, 470, 610, 667, 943, 1081, 1189, 1334, 1363, 1403, 1769, 1886, 1927, 2162, 2378, 2501, 2726, 2806, 2867, 3335, 3538, 3854, 4715, 5002, 5405, 5734, 5945, 6670, 6815, 7015, 8845, 9430, 9635, 10810, 11890, 12505, 13630, 14030, 14335, 17690, 19270, 25010, 27347, 28670, 31349, 40687, 44321, 54694, 55883, 57523, 62698, 65941, 72529, 81374, 83143, 88642, 111766, 115046, 117547, 131882, 136735, 145058, 156745, 166286, 203435, 221605, 235094, 273470, 279415, 287615, 313490, 329705, 362645, 406870, 415715, 443210, 558830, 575230, 587735, 659410, 725290, 831430, 1175470, 1285309, 1668167, 1912289, 2570618, 2703581, 3336334, 3408863, 3824578, 5407162, 6426545, 6817726, 8340835, 9561445, 12853090, 13517905, 16681670, 17044315, 19122890, 27035810, 34088630, 78403849, 156807698, 392019245, 784038490]

約数ペア:

[(1, 784038490), (2, 392019245), (5, 156807698), (10, 78403849), (23, 34088630), (29, 27035810), (41, 19122890), (46, 17044315), (47, 16681670), (58, 13517905), (61, 12853090), (82, 9561445), (94, 8340835), (115, 6817726), (122, 6426545), (145, 5407162), (205, 3824578), (230, 3408863), (235, 3336334), (290, 2703581), (305, 2570618), (410, 1912289), (470, 1668167), (610, 1285309), (667, 1175470), (943, 831430), (1081, 725290), (1189, 659410), (1334, 587735), (1363, 575230), (1403, 558830), (1769, 443210), (1886, 415715), (1927, 406870), (2162, 362645), (2378, 329705), (2501, 313490), (2726, 287615), (2806, 279415), (2867, 273470), (3335, 235094), (3538, 221605), (3854, 203435), (4715, 166286), (5002, 156745), (5405, 145058), (5734, 136735), (5945, 131882), (6670, 117547), (6815, 115046), (7015, 111766), (8845, 88642), (9430, 83143), (9635, 81374), (10810, 72529), (11890, 65941), (12505, 62698), (13630, 57523), (14030, 55883), (14335, 54694), (17690, 44321), (19270, 40687), (25010, 31349), (27347, 28670)]