248989860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2707}}^1$

素因数の和:2802

約数の個数: 144

約数和(自身を含む): 875312256

約数和(自身を除く): 626322396

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 365, 420, 438, 511, 630, 657, 730, 876, 1022, 1095, 1260, 1314, 1460, 1533, 2044, 2190, 2555, 2628, 2707, 3066, 3285, 4380, 4599, 5110, 5414, 6132, 6570, 7665, 8121, 9198, 10220, 10828, 13140, 13535, 15330, 16242, 18396, 18949, 22995, 24363, 27070, 30660, 32484, 37898, 40605, 45990, 48726, 54140, 56847, 75796, 81210, 91980, 94745, 97452, 113694, 121815, 162420, 170541, 189490, 197611, 227388, 243630, 284235, 341082, 378980, 395222, 487260, 568470, 592833, 682164, 790444, 852705, 988055, 1136940, 1185666, 1383277, 1705410, 1778499, 1976110, 2371332, 2766554, 2964165, 3410820, 3556998, 3952220, 4149831, 5533108, 5928330, 6916385, 7113996, 8299662, 8892495, 11856660, 12449493, 13832770, 16599324, 17784990, 20749155, 24898986, 27665540, 35569980, 41498310, 49797972, 62247465, 82996620, 124494930, 248989860]

約数ペア:

[(1, 248989860), (2, 124494930), (3, 82996620), (4, 62247465), (5, 49797972), (6, 41498310), (7, 35569980), (9, 27665540), (10, 24898986), (12, 20749155), (14, 17784990), (15, 16599324), (18, 13832770), (20, 12449493), (21, 11856660), (28, 8892495), (30, 8299662), (35, 7113996), (36, 6916385), (42, 5928330), (45, 5533108), (60, 4149831), (63, 3952220), (70, 3556998), (73, 3410820), (84, 2964165), (90, 2766554), (105, 2371332), (126, 1976110), (140, 1778499), (146, 1705410), (180, 1383277), (210, 1185666), (219, 1136940), (252, 988055), (292, 852705), (315, 790444), (365, 682164), (420, 592833), (438, 568470), (511, 487260), (630, 395222), (657, 378980), (730, 341082), (876, 284235), (1022, 243630), (1095, 227388), (1260, 197611), (1314, 189490), (1460, 170541), (1533, 162420), (2044, 121815), (2190, 113694), (2555, 97452), (2628, 94745), (2707, 91980), (3066, 81210), (3285, 75796), (4380, 56847), (4599, 54140), (5110, 48726), (5414, 45990), (6132, 40605), (6570, 37898), (7665, 32484), (8121, 30660), (9198, 27070), (10220, 24363), (10828, 22995), (13140, 18949), (13535, 18396), (15330, 16242)]