849758980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 2175054336

約数和(自身を除く): 1325295356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 83, 98, 124, 140, 155, 166, 196, 217, 245, 310, 332, 337, 415, 434, 490, 581, 620, 674, 830, 868, 980, 1085, 1162, 1348, 1519, 1660, 1685, 2170, 2324, 2359, 2573, 2905, 3038, 3370, 4067, 4340, 4718, 5146, 5810, 6076, 6740, 7595, 8134, 9436, 10292, 10447, 11620, 11795, 12865, 15190, 16268, 16513, 18011, 20335, 20894, 23590, 25730, 27971, 30380, 33026, 36022, 40670, 41788, 47180, 51460, 52235, 55942, 66052, 72044, 73129, 81340, 82565, 90055, 104470, 111884, 126077, 139855, 146258, 165130, 180110, 195797, 208940, 252154, 279710, 292516, 330260, 360220, 365645, 391594, 504308, 511903, 559420, 630385, 731290, 783188, 867101, 978985, 1023806, 1260770, 1370579, 1462580, 1734202, 1957970, 2047612, 2521540, 2559515, 2741158, 3468404, 3915940, 4335505, 5119030, 5482316, 6069707, 6852895, 8671010, 10238060, 12139414, 13705790, 17342020, 24278828, 27411580, 30348535, 42487949, 60697070, 84975898, 121394140, 169951796, 212439745, 424879490, 849758980]

約数ペア:

[(1, 849758980), (2, 424879490), (4, 212439745), (5, 169951796), (7, 121394140), (10, 84975898), (14, 60697070), (20, 42487949), (28, 30348535), (31, 27411580), (35, 24278828), (49, 17342020), (62, 13705790), (70, 12139414), (83, 10238060), (98, 8671010), (124, 6852895), (140, 6069707), (155, 5482316), (166, 5119030), (196, 4335505), (217, 3915940), (245, 3468404), (310, 2741158), (332, 2559515), (337, 2521540), (415, 2047612), (434, 1957970), (490, 1734202), (581, 1462580), (620, 1370579), (674, 1260770), (830, 1023806), (868, 978985), (980, 867101), (1085, 783188), (1162, 731290), (1348, 630385), (1519, 559420), (1660, 511903), (1685, 504308), (2170, 391594), (2324, 365645), (2359, 360220), (2573, 330260), (2905, 292516), (3038, 279710), (3370, 252154), (4067, 208940), (4340, 195797), (4718, 180110), (5146, 165130), (5810, 146258), (6076, 139855), (6740, 126077), (7595, 111884), (8134, 104470), (9436, 90055), (10292, 82565), (10447, 81340), (11620, 73129), (11795, 72044), (12865, 66052), (15190, 55942), (16268, 52235), (16513, 51460), (18011, 47180), (20335, 41788), (20894, 40670), (23590, 36022), (25730, 33026), (27971, 30380)]