77701820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 198374400

約数和(自身を除く): 120672580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 59, 70, 92, 115, 118, 140, 161, 230, 236, 295, 322, 409, 413, 460, 590, 644, 805, 818, 826, 1180, 1357, 1610, 1636, 1652, 2045, 2065, 2714, 2863, 3220, 4090, 4130, 5428, 5726, 6785, 8180, 8260, 9407, 9499, 11452, 13570, 14315, 18814, 18998, 24131, 27140, 28630, 37628, 37996, 47035, 47495, 48262, 57260, 65849, 94070, 94990, 96524, 120655, 131698, 168917, 188140, 189980, 241310, 263396, 329245, 337834, 482620, 555013, 658490, 675668, 844585, 1110026, 1316980, 1689170, 2220052, 2775065, 3378340, 3885091, 5550130, 7770182, 11100260, 15540364, 19425455, 38850910, 77701820]

約数ペア:

[(1, 77701820), (2, 38850910), (4, 19425455), (5, 15540364), (7, 11100260), (10, 7770182), (14, 5550130), (20, 3885091), (23, 3378340), (28, 2775065), (35, 2220052), (46, 1689170), (59, 1316980), (70, 1110026), (92, 844585), (115, 675668), (118, 658490), (140, 555013), (161, 482620), (230, 337834), (236, 329245), (295, 263396), (322, 241310), (409, 189980), (413, 188140), (460, 168917), (590, 131698), (644, 120655), (805, 96524), (818, 94990), (826, 94070), (1180, 65849), (1357, 57260), (1610, 48262), (1636, 47495), (1652, 47035), (2045, 37996), (2065, 37628), (2714, 28630), (2863, 27140), (3220, 24131), (4090, 18998), (4130, 18814), (5428, 14315), (5726, 13570), (6785, 11452), (8180, 9499), (8260, 9407)]