2150454920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1335

約数の個数: 128

約数和(自身を含む): 5286435840

約数和(自身を除く): 3135980920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 47, 82, 92, 94, 115, 164, 184, 188, 205, 230, 235, 328, 376, 410, 460, 470, 820, 920, 940, 943, 1081, 1213, 1640, 1880, 1886, 1927, 2162, 2426, 3772, 3854, 4324, 4715, 4852, 5405, 6065, 7544, 7708, 8648, 9430, 9635, 9704, 10810, 12130, 15416, 18860, 19270, 21620, 24260, 27899, 37720, 38540, 43240, 44321, 48520, 49733, 55798, 57011, 77080, 88642, 99466, 111596, 114022, 139495, 177284, 198932, 221605, 223192, 228044, 248665, 278990, 285055, 354568, 397864, 443210, 456088, 497330, 557980, 570110, 886420, 994660, 1115960, 1140220, 1143859, 1311253, 1772840, 1989320, 2280440, 2287718, 2337451, 2622506, 4575436, 4674902, 5245012, 5719295, 6556265, 9150872, 9349804, 10490024, 11438590, 11687255, 13112530, 18699608, 22877180, 23374510, 26225060, 45754360, 46749020, 52450120, 53761373, 93498040, 107522746, 215045492, 268806865, 430090984, 537613730, 1075227460, 2150454920]

約数ペア:

[(1, 2150454920), (2, 1075227460), (4, 537613730), (5, 430090984), (8, 268806865), (10, 215045492), (20, 107522746), (23, 93498040), (40, 53761373), (41, 52450120), (46, 46749020), (47, 45754360), (82, 26225060), (92, 23374510), (94, 22877180), (115, 18699608), (164, 13112530), (184, 11687255), (188, 11438590), (205, 10490024), (230, 9349804), (235, 9150872), (328, 6556265), (376, 5719295), (410, 5245012), (460, 4674902), (470, 4575436), (820, 2622506), (920, 2337451), (940, 2287718), (943, 2280440), (1081, 1989320), (1213, 1772840), (1640, 1311253), (1880, 1143859), (1886, 1140220), (1927, 1115960), (2162, 994660), (2426, 886420), (3772, 570110), (3854, 557980), (4324, 497330), (4715, 456088), (4852, 443210), (5405, 397864), (6065, 354568), (7544, 285055), (7708, 278990), (8648, 248665), (9430, 228044), (9635, 223192), (9704, 221605), (10810, 198932), (12130, 177284), (15416, 139495), (18860, 114022), (19270, 111596), (21620, 99466), (24260, 88642), (27899, 77080), (37720, 57011), (38540, 55798), (43240, 49733), (44321, 48520)]