339793480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 862202880

約数和(自身を除く): 522409400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 107, 124, 130, 155, 197, 214, 248, 260, 310, 394, 403, 428, 520, 535, 620, 788, 806, 856, 985, 1070, 1240, 1391, 1576, 1612, 1970, 2015, 2140, 2561, 2782, 3224, 3317, 3940, 4030, 4280, 5122, 5564, 6107, 6634, 6955, 7880, 8060, 10244, 11128, 12214, 12805, 13268, 13910, 16120, 16585, 20488, 21079, 24428, 25610, 26536, 27820, 30535, 33170, 42158, 43121, 48856, 51220, 55640, 61070, 66340, 79391, 84316, 86242, 102440, 105395, 122140, 132680, 158782, 168632, 172484, 210790, 215605, 244280, 274027, 317564, 344968, 396955, 421580, 431210, 548054, 635128, 653449, 793910, 843160, 862420, 1096108, 1306898, 1370135, 1587820, 1724840, 2192216, 2613796, 2740270, 3175640, 3267245, 5227592, 5480540, 6534490, 8494837, 10961080, 13068980, 16989674, 26137960, 33979348, 42474185, 67958696, 84948370, 169896740, 339793480]

約数ペア:

[(1, 339793480), (2, 169896740), (4, 84948370), (5, 67958696), (8, 42474185), (10, 33979348), (13, 26137960), (20, 16989674), (26, 13068980), (31, 10961080), (40, 8494837), (52, 6534490), (62, 5480540), (65, 5227592), (104, 3267245), (107, 3175640), (124, 2740270), (130, 2613796), (155, 2192216), (197, 1724840), (214, 1587820), (248, 1370135), (260, 1306898), (310, 1096108), (394, 862420), (403, 843160), (428, 793910), (520, 653449), (535, 635128), (620, 548054), (788, 431210), (806, 421580), (856, 396955), (985, 344968), (1070, 317564), (1240, 274027), (1391, 244280), (1576, 215605), (1612, 210790), (1970, 172484), (2015, 168632), (2140, 158782), (2561, 132680), (2782, 122140), (3224, 105395), (3317, 102440), (3940, 86242), (4030, 84316), (4280, 79391), (5122, 66340), (5564, 61070), (6107, 55640), (6634, 51220), (6955, 48856), (7880, 43121), (8060, 42158), (10244, 33170), (11128, 30535), (12214, 27820), (12805, 26536), (13268, 25610), (13910, 24428), (16120, 21079), (16585, 20488)]