421969140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 1333659600

約数和(自身を除く): 911690460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 229, 261, 290, 348, 353, 435, 458, 522, 580, 687, 706, 870, 916, 1044, 1059, 1145, 1305, 1374, 1412, 1740, 1765, 2061, 2118, 2290, 2610, 2748, 3177, 3435, 3530, 4122, 4236, 4580, 5220, 5295, 6354, 6641, 6870, 7060, 8244, 10237, 10305, 10590, 12708, 13282, 13740, 15885, 19923, 20474, 20610, 21180, 26564, 30711, 31770, 33205, 39846, 40948, 41220, 51185, 59769, 61422, 63540, 66410, 79692, 80837, 92133, 99615, 102370, 119538, 122844, 132820, 153555, 161674, 184266, 199230, 204740, 239076, 242511, 298845, 307110, 323348, 368532, 398460, 404185, 460665, 485022, 597690, 614220, 727533, 808370, 921330, 970044, 1195380, 1212555, 1455066, 1616740, 1842660, 2344273, 2425110, 2910132, 3637665, 4688546, 4850220, 7032819, 7275330, 9377092, 11721365, 14065638, 14550660, 21098457, 23442730, 28131276, 35164095, 42196914, 46885460, 70328190, 84393828, 105492285, 140656380, 210984570, 421969140]

約数ペア:

[(1, 421969140), (2, 210984570), (3, 140656380), (4, 105492285), (5, 84393828), (6, 70328190), (9, 46885460), (10, 42196914), (12, 35164095), (15, 28131276), (18, 23442730), (20, 21098457), (29, 14550660), (30, 14065638), (36, 11721365), (45, 9377092), (58, 7275330), (60, 7032819), (87, 4850220), (90, 4688546), (116, 3637665), (145, 2910132), (174, 2425110), (180, 2344273), (229, 1842660), (261, 1616740), (290, 1455066), (348, 1212555), (353, 1195380), (435, 970044), (458, 921330), (522, 808370), (580, 727533), (687, 614220), (706, 597690), (870, 485022), (916, 460665), (1044, 404185), (1059, 398460), (1145, 368532), (1305, 323348), (1374, 307110), (1412, 298845), (1740, 242511), (1765, 239076), (2061, 204740), (2118, 199230), (2290, 184266), (2610, 161674), (2748, 153555), (3177, 132820), (3435, 122844), (3530, 119538), (4122, 102370), (4236, 99615), (4580, 92133), (5220, 80837), (5295, 79692), (6354, 66410), (6641, 63540), (6870, 61422), (7060, 59769), (8244, 51185), (10237, 41220), (10305, 40948), (10590, 39846), (12708, 33205), (13282, 31770), (13740, 30711), (15885, 26564), (19923, 21180), (20474, 20610)]