262813460

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 695028936

約数和(自身を除く): 432215476

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 343, 364, 421, 455, 490, 637, 686, 842, 910, 980, 1274, 1372, 1684, 1715, 1820, 2105, 2401, 2548, 2947, 3185, 3430, 4210, 4459, 4802, 5473, 5894, 6370, 6860, 8420, 8918, 9604, 10946, 11788, 12005, 12740, 14735, 17836, 20629, 21892, 22295, 24010, 27365, 29470, 31213, 38311, 41258, 44590, 48020, 54730, 58940, 62426, 76622, 82516, 89180, 103145, 109460, 124852, 144403, 153244, 156065, 191555, 206290, 268177, 288806, 312130, 383110, 412580, 536354, 577612, 624260, 722015, 766220, 1010821, 1072708, 1340885, 1444030, 1877239, 2021642, 2681770, 2888060, 3754478, 4043284, 5054105, 5363540, 7508956, 9386195, 10108210, 13140673, 18772390, 20216420, 26281346, 37544780, 52562692, 65703365, 131406730, 262813460]

約数ペア:

[(1, 262813460), (2, 131406730), (4, 65703365), (5, 52562692), (7, 37544780), (10, 26281346), (13, 20216420), (14, 18772390), (20, 13140673), (26, 10108210), (28, 9386195), (35, 7508956), (49, 5363540), (52, 5054105), (65, 4043284), (70, 3754478), (91, 2888060), (98, 2681770), (130, 2021642), (140, 1877239), (182, 1444030), (196, 1340885), (245, 1072708), (260, 1010821), (343, 766220), (364, 722015), (421, 624260), (455, 577612), (490, 536354), (637, 412580), (686, 383110), (842, 312130), (910, 288806), (980, 268177), (1274, 206290), (1372, 191555), (1684, 156065), (1715, 153244), (1820, 144403), (2105, 124852), (2401, 109460), (2548, 103145), (2947, 89180), (3185, 82516), (3430, 76622), (4210, 62426), (4459, 58940), (4802, 54730), (5473, 48020), (5894, 44590), (6370, 41258), (6860, 38311), (8420, 31213), (8918, 29470), (9604, 27365), (10946, 24010), (11788, 22295), (12005, 21892), (12740, 20629), (14735, 17836)]