2019954304520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1\times {\mathrm{24203}}^1$

素因数の和:24795

約数の個数: 128

約数和(自身を含む): 4697729187840

約数和(自身を除く): 2677774883320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 103, 188, 206, 235, 376, 412, 431, 470, 515, 824, 862, 940, 1030, 1724, 1880, 2060, 2155, 3448, 4120, 4310, 4841, 8620, 9682, 17240, 19364, 20257, 24203, 24205, 38728, 40514, 44393, 48406, 48410, 81028, 88786, 96812, 96820, 101285, 121015, 162056, 177572, 193624, 193640, 202570, 221965, 242030, 355144, 405140, 443930, 484060, 810280, 887860, 968120, 1137541, 1775720, 2086471, 2275082, 2492909, 4172942, 4550164, 4985818, 5687705, 8345884, 9100328, 9971636, 10431493, 10432355, 11375410, 12464545, 16691768, 19943272, 20862986, 20864710, 22750820, 24929090, 41725972, 41729420, 45501640, 49858180, 52157465, 83451944, 83458840, 99716360, 104314930, 117166723, 208629860, 234333446, 417259720, 468666892, 490280171, 585833615, 937333784, 980560342, 1074443779, 1171667230, 1961120684, 2148887558, 2343334460, 2451400855, 3922241368, 4297775116, 4686668920, 4902801710, 5372218895, 8595550232, 9805603420, 10744437790, 19611206840, 21488875580, 42977751160, 50498857613, 100997715226, 201995430452, 252494288065, 403990860904, 504988576130, 1009977152260, 2019954304520]

約数ペア:

[(1, 2019954304520), (2, 1009977152260), (4, 504988576130), (5, 403990860904), (8, 252494288065), (10, 201995430452), (20, 100997715226), (40, 50498857613), (47, 42977751160), (94, 21488875580), (103, 19611206840), (188, 10744437790), (206, 9805603420), (235, 8595550232), (376, 5372218895), (412, 4902801710), (431, 4686668920), (470, 4297775116), (515, 3922241368), (824, 2451400855), (862, 2343334460), (940, 2148887558), (1030, 1961120684), (1724, 1171667230), (1880, 1074443779), (2060, 980560342), (2155, 937333784), (3448, 585833615), (4120, 490280171), (4310, 468666892), (4841, 417259720), (8620, 234333446), (9682, 208629860), (17240, 117166723), (19364, 104314930), (20257, 99716360), (24203, 83458840), (24205, 83451944), (38728, 52157465), (40514, 49858180), (44393, 45501640), (48406, 41729420), (48410, 41725972), (81028, 24929090), (88786, 22750820), (96812, 20864710), (96820, 20862986), (101285, 19943272), (121015, 16691768), (162056, 12464545), (177572, 11375410), (193624, 10432355), (193640, 10431493), (202570, 9971636), (221965, 9100328), (242030, 8345884), (355144, 5687705), (405140, 4985818), (443930, 4550164), (484060, 4172942), (810280, 2492909), (887860, 2275082), (968120, 2086471), (1137541, 1775720)]