145236490

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 80

約数和(自身を含む): 319448448

約数和(自身を除く): 174211958

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 263, 322, 343, 490, 526, 686, 805, 1127, 1315, 1610, 1715, 1841, 2254, 2401, 2630, 3430, 3682, 4802, 5635, 6049, 7889, 9205, 11270, 12005, 12098, 12887, 15778, 18410, 24010, 25774, 30245, 39445, 42343, 55223, 60490, 64435, 78890, 84686, 90209, 110446, 128870, 180418, 211715, 276115, 296401, 423430, 451045, 552230, 592802, 631463, 902090, 1262926, 1482005, 2074807, 2964010, 3157315, 4149614, 6314630, 10374035, 14523649, 20748070, 29047298, 72618245, 145236490]

約数ペア:

[(1, 145236490), (2, 72618245), (5, 29047298), (7, 20748070), (10, 14523649), (14, 10374035), (23, 6314630), (35, 4149614), (46, 3157315), (49, 2964010), (70, 2074807), (98, 1482005), (115, 1262926), (161, 902090), (230, 631463), (245, 592802), (263, 552230), (322, 451045), (343, 423430), (490, 296401), (526, 276115), (686, 211715), (805, 180418), (1127, 128870), (1315, 110446), (1610, 90209), (1715, 84686), (1841, 78890), (2254, 64435), (2401, 60490), (2630, 55223), (3430, 42343), (3682, 39445), (4802, 30245), (5635, 25774), (6049, 24010), (7889, 18410), (9205, 15778), (11270, 12887), (12005, 12098)]