317509940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:653

約数の個数: 96

約数和(自身を含む): 766402560

約数和(自身を除く): 448892620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 131, 220, 230, 253, 262, 460, 479, 506, 524, 655, 958, 1012, 1265, 1310, 1441, 1916, 2395, 2530, 2620, 2882, 3013, 4790, 5060, 5269, 5764, 6026, 7205, 9580, 10538, 11017, 12052, 14410, 15065, 21076, 22034, 26345, 28820, 30130, 33143, 44068, 52690, 55085, 60260, 62749, 66286, 105380, 110170, 121187, 125498, 132572, 165715, 220340, 242374, 250996, 313745, 331430, 484748, 605935, 627490, 662860, 690239, 1211870, 1254980, 1380478, 1443227, 2423740, 2760956, 2886454, 3451195, 5772908, 6902390, 7216135, 13804780, 14432270, 15875497, 28864540, 31750994, 63501988, 79377485, 158754970, 317509940]

約数ペア:

[(1, 317509940), (2, 158754970), (4, 79377485), (5, 63501988), (10, 31750994), (11, 28864540), (20, 15875497), (22, 14432270), (23, 13804780), (44, 7216135), (46, 6902390), (55, 5772908), (92, 3451195), (110, 2886454), (115, 2760956), (131, 2423740), (220, 1443227), (230, 1380478), (253, 1254980), (262, 1211870), (460, 690239), (479, 662860), (506, 627490), (524, 605935), (655, 484748), (958, 331430), (1012, 313745), (1265, 250996), (1310, 242374), (1441, 220340), (1916, 165715), (2395, 132572), (2530, 125498), (2620, 121187), (2882, 110170), (3013, 105380), (4790, 66286), (5060, 62749), (5269, 60260), (5764, 55085), (6026, 52690), (7205, 44068), (9580, 33143), (10538, 30130), (11017, 28820), (12052, 26345), (14410, 22034), (15065, 21076)]