263796890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 585066240

約数和(自身を除く): 321269350

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 89, 98, 115, 161, 178, 230, 245, 263, 322, 445, 490, 526, 623, 805, 890, 1127, 1246, 1315, 1610, 1841, 2047, 2254, 2630, 3115, 3682, 4094, 4361, 5635, 6049, 6230, 8722, 9205, 10235, 11270, 12098, 12887, 14329, 18410, 20470, 21805, 23407, 25774, 28658, 30245, 42343, 43610, 46814, 60490, 64435, 71645, 84686, 100303, 117035, 128870, 143290, 163849, 200606, 211715, 234070, 296401, 327698, 423430, 501515, 538361, 592802, 819245, 1003030, 1076722, 1146943, 1482005, 1638490, 2293886, 2691805, 2964010, 3768527, 5383610, 5734715, 7537054, 11469430, 18842635, 26379689, 37685270, 52759378, 131898445, 263796890]

約数ペア:

[(1, 263796890), (2, 131898445), (5, 52759378), (7, 37685270), (10, 26379689), (14, 18842635), (23, 11469430), (35, 7537054), (46, 5734715), (49, 5383610), (70, 3768527), (89, 2964010), (98, 2691805), (115, 2293886), (161, 1638490), (178, 1482005), (230, 1146943), (245, 1076722), (263, 1003030), (322, 819245), (445, 592802), (490, 538361), (526, 501515), (623, 423430), (805, 327698), (890, 296401), (1127, 234070), (1246, 211715), (1315, 200606), (1610, 163849), (1841, 143290), (2047, 128870), (2254, 117035), (2630, 100303), (3115, 84686), (3682, 71645), (4094, 64435), (4361, 60490), (5635, 46814), (6049, 43610), (6230, 42343), (8722, 30245), (9205, 28658), (10235, 25774), (11270, 23407), (12098, 21805), (12887, 20470), (14329, 18410)]