31452740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 74606616

約数和(自身を除く): 43153876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 242, 317, 410, 451, 484, 605, 634, 820, 902, 1210, 1268, 1585, 1804, 2255, 2420, 3170, 3487, 4510, 4961, 6340, 6974, 9020, 9922, 12997, 13948, 17435, 19844, 24805, 25994, 34870, 38357, 49610, 51988, 64985, 69740, 76714, 99220, 129970, 142967, 153428, 191785, 259940, 285934, 383570, 571868, 714835, 767140, 1429670, 1572637, 2859340, 3145274, 6290548, 7863185, 15726370, 31452740]

約数ペア:

[(1, 31452740), (2, 15726370), (4, 7863185), (5, 6290548), (10, 3145274), (11, 2859340), (20, 1572637), (22, 1429670), (41, 767140), (44, 714835), (55, 571868), (82, 383570), (110, 285934), (121, 259940), (164, 191785), (205, 153428), (220, 142967), (242, 129970), (317, 99220), (410, 76714), (451, 69740), (484, 64985), (605, 51988), (634, 49610), (820, 38357), (902, 34870), (1210, 25994), (1268, 24805), (1585, 19844), (1804, 17435), (2255, 13948), (2420, 12997), (3170, 9922), (3487, 9020), (4510, 6974), (4961, 6340)]