198272620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 530893440

約数和(自身を除く): 332620820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 79, 91, 98, 130, 140, 158, 182, 196, 197, 245, 260, 316, 364, 394, 395, 455, 490, 553, 637, 788, 790, 910, 980, 985, 1027, 1106, 1274, 1379, 1580, 1820, 1970, 2054, 2212, 2548, 2561, 2758, 2765, 3185, 3871, 3940, 4108, 5122, 5135, 5516, 5530, 6370, 6895, 7189, 7742, 9653, 10244, 10270, 11060, 12740, 12805, 13790, 14378, 15484, 15563, 17927, 19306, 19355, 20540, 25610, 27580, 28756, 31126, 35854, 35945, 38612, 38710, 48265, 50323, 51220, 62252, 71708, 71890, 77420, 77815, 89635, 96530, 100646, 108941, 125489, 143780, 155630, 179270, 193060, 201292, 202319, 217882, 250978, 251615, 311260, 358540, 404638, 435764, 501956, 503230, 544705, 627445, 762587, 809276, 1006460, 1011595, 1089410, 1254890, 1416233, 1525174, 2023190, 2178820, 2509780, 2832466, 3050348, 3812935, 4046380, 5664932, 7081165, 7625870, 9913631, 14162330, 15251740, 19827262, 28324660, 39654524, 49568155, 99136310, 198272620]

約数ペア:

[(1, 198272620), (2, 99136310), (4, 49568155), (5, 39654524), (7, 28324660), (10, 19827262), (13, 15251740), (14, 14162330), (20, 9913631), (26, 7625870), (28, 7081165), (35, 5664932), (49, 4046380), (52, 3812935), (65, 3050348), (70, 2832466), (79, 2509780), (91, 2178820), (98, 2023190), (130, 1525174), (140, 1416233), (158, 1254890), (182, 1089410), (196, 1011595), (197, 1006460), (245, 809276), (260, 762587), (316, 627445), (364, 544705), (394, 503230), (395, 501956), (455, 435764), (490, 404638), (553, 358540), (637, 311260), (788, 251615), (790, 250978), (910, 217882), (980, 202319), (985, 201292), (1027, 193060), (1106, 179270), (1274, 155630), (1379, 143780), (1580, 125489), (1820, 108941), (1970, 100646), (2054, 96530), (2212, 89635), (2548, 77815), (2561, 77420), (2758, 71890), (2765, 71708), (3185, 62252), (3871, 51220), (3940, 50323), (4108, 48265), (5122, 38710), (5135, 38612), (5516, 35945), (5530, 35854), (6370, 31126), (6895, 28756), (7189, 27580), (7742, 25610), (9653, 20540), (10244, 19355), (10270, 19306), (11060, 17927), (12740, 15563), (12805, 15484), (13790, 14378)]