81950050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 199487232

約数和(自身を除く): 117537182

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 31, 35, 49, 50, 62, 65, 70, 83, 91, 98, 130, 155, 166, 175, 182, 217, 245, 310, 325, 350, 403, 415, 434, 455, 490, 581, 637, 650, 775, 806, 830, 910, 1079, 1085, 1162, 1225, 1274, 1519, 1550, 2015, 2075, 2158, 2170, 2275, 2450, 2573, 2821, 2905, 3038, 3185, 4030, 4067, 4150, 4550, 5146, 5395, 5425, 5642, 5810, 6370, 7553, 7595, 8134, 10075, 10790, 10850, 12865, 14105, 14525, 15106, 15190, 15925, 18011, 19747, 20150, 20335, 25730, 26975, 28210, 29050, 31850, 33449, 36022, 37765, 37975, 39494, 40670, 52871, 53950, 64325, 66898, 70525, 75530, 75950, 90055, 98735, 101675, 105742, 126077, 128650, 141050, 167245, 180110, 188825, 197470, 203350, 234143, 252154, 264355, 334490, 377650, 450275, 468286, 493675, 528710, 630385, 836225, 900550, 987350, 1170715, 1260770, 1321775, 1639001, 1672450, 2341430, 2643550, 3151925, 3278002, 5853575, 6303850, 8195005, 11707150, 16390010, 40975025, 81950050]

約数ペア:

[(1, 81950050), (2, 40975025), (5, 16390010), (7, 11707150), (10, 8195005), (13, 6303850), (14, 5853575), (25, 3278002), (26, 3151925), (31, 2643550), (35, 2341430), (49, 1672450), (50, 1639001), (62, 1321775), (65, 1260770), (70, 1170715), (83, 987350), (91, 900550), (98, 836225), (130, 630385), (155, 528710), (166, 493675), (175, 468286), (182, 450275), (217, 377650), (245, 334490), (310, 264355), (325, 252154), (350, 234143), (403, 203350), (415, 197470), (434, 188825), (455, 180110), (490, 167245), (581, 141050), (637, 128650), (650, 126077), (775, 105742), (806, 101675), (830, 98735), (910, 90055), (1079, 75950), (1085, 75530), (1162, 70525), (1225, 66898), (1274, 64325), (1519, 53950), (1550, 52871), (2015, 40670), (2075, 39494), (2158, 37975), (2170, 37765), (2275, 36022), (2450, 33449), (2573, 31850), (2821, 29050), (2905, 28210), (3038, 26975), (3185, 25730), (4030, 20335), (4067, 20150), (4150, 19747), (4550, 18011), (5146, 15925), (5395, 15190), (5425, 15106), (5642, 14525), (5810, 14105), (6370, 12865), (7553, 10850), (7595, 10790), (8134, 10075)]