249366920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:687

約数の個数: 128

約数和(自身を含む): 655361280

約数和(自身を除く): 405994360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 41, 44, 46, 55, 82, 88, 92, 110, 115, 164, 184, 205, 220, 230, 253, 328, 410, 440, 451, 460, 506, 601, 820, 902, 920, 943, 1012, 1202, 1265, 1640, 1804, 1886, 2024, 2255, 2404, 2530, 3005, 3608, 3772, 4510, 4715, 4808, 5060, 6010, 6611, 7544, 9020, 9430, 10120, 10373, 12020, 13222, 13823, 18040, 18860, 20746, 24040, 24641, 26444, 27646, 33055, 37720, 41492, 49282, 51865, 52888, 55292, 66110, 69115, 82984, 98564, 103730, 110584, 123205, 132220, 138230, 152053, 197128, 207460, 246410, 264440, 271051, 276460, 304106, 414920, 492820, 542102, 552920, 566743, 608212, 760265, 985640, 1084204, 1133486, 1216424, 1355255, 1520530, 2168408, 2266972, 2710510, 2833715, 3041060, 4533944, 5421020, 5667430, 6082120, 6234173, 10842040, 11334860, 12468346, 22669720, 24936692, 31170865, 49873384, 62341730, 124683460, 249366920]

約数ペア:

[(1, 249366920), (2, 124683460), (4, 62341730), (5, 49873384), (8, 31170865), (10, 24936692), (11, 22669720), (20, 12468346), (22, 11334860), (23, 10842040), (40, 6234173), (41, 6082120), (44, 5667430), (46, 5421020), (55, 4533944), (82, 3041060), (88, 2833715), (92, 2710510), (110, 2266972), (115, 2168408), (164, 1520530), (184, 1355255), (205, 1216424), (220, 1133486), (230, 1084204), (253, 985640), (328, 760265), (410, 608212), (440, 566743), (451, 552920), (460, 542102), (506, 492820), (601, 414920), (820, 304106), (902, 276460), (920, 271051), (943, 264440), (1012, 246410), (1202, 207460), (1265, 197128), (1640, 152053), (1804, 138230), (1886, 132220), (2024, 123205), (2255, 110584), (2404, 103730), (2530, 98564), (3005, 82984), (3608, 69115), (3772, 66110), (4510, 55292), (4715, 52888), (4808, 51865), (5060, 49282), (6010, 41492), (6611, 37720), (7544, 33055), (9020, 27646), (9430, 26444), (10120, 24641), (10373, 24040), (12020, 20746), (13222, 18860), (13823, 18040)]