217459060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 581167440

約数和(自身を除く): 363708380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 101, 130, 140, 169, 182, 196, 202, 245, 260, 338, 364, 404, 455, 490, 505, 637, 676, 707, 845, 910, 980, 1010, 1183, 1274, 1313, 1414, 1690, 1820, 2020, 2197, 2366, 2548, 2626, 2828, 3185, 3380, 3535, 4394, 4732, 4949, 5252, 5915, 6370, 6565, 7070, 8281, 8788, 9191, 9898, 10985, 11830, 12740, 13130, 14140, 15379, 16562, 17069, 18382, 19796, 21970, 23660, 24745, 26260, 30758, 33124, 34138, 36764, 41405, 43940, 45955, 49490, 61516, 64337, 68276, 76895, 82810, 85345, 91910, 98980, 107653, 119483, 128674, 153790, 165620, 170690, 183820, 215306, 221897, 238966, 257348, 307580, 321685, 341380, 430612, 443794, 477932, 538265, 597415, 643370, 836381, 887588, 1076530, 1109485, 1194830, 1286740, 1553279, 1672762, 2153060, 2218970, 2389660, 3106558, 3345524, 4181905, 4437940, 6213116, 7766395, 8363810, 10872953, 15532790, 16727620, 21745906, 31065580, 43491812, 54364765, 108729530, 217459060]

約数ペア:

[(1, 217459060), (2, 108729530), (4, 54364765), (5, 43491812), (7, 31065580), (10, 21745906), (13, 16727620), (14, 15532790), (20, 10872953), (26, 8363810), (28, 7766395), (35, 6213116), (49, 4437940), (52, 4181905), (65, 3345524), (70, 3106558), (91, 2389660), (98, 2218970), (101, 2153060), (130, 1672762), (140, 1553279), (169, 1286740), (182, 1194830), (196, 1109485), (202, 1076530), (245, 887588), (260, 836381), (338, 643370), (364, 597415), (404, 538265), (455, 477932), (490, 443794), (505, 430612), (637, 341380), (676, 321685), (707, 307580), (845, 257348), (910, 238966), (980, 221897), (1010, 215306), (1183, 183820), (1274, 170690), (1313, 165620), (1414, 153790), (1690, 128674), (1820, 119483), (2020, 107653), (2197, 98980), (2366, 91910), (2548, 85345), (2626, 82810), (2828, 76895), (3185, 68276), (3380, 64337), (3535, 61516), (4394, 49490), (4732, 45955), (4949, 43940), (5252, 41405), (5915, 36764), (6370, 34138), (6565, 33124), (7070, 30758), (8281, 26260), (8788, 24745), (9191, 23660), (9898, 21970), (10985, 19796), (11830, 18382), (12740, 17069), (13130, 16562), (14140, 15379)]