220412416

素因数分解:

$2^9\times 7^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:805

約数の個数: 80

約数和(自身を含む): 509699520

約数和(自身を除く): 289287104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 356, 448, 512, 623, 691, 712, 896, 1246, 1382, 1424, 1792, 2492, 2764, 2848, 3584, 4837, 4984, 5528, 5696, 9674, 9968, 11056, 11392, 19348, 19936, 22112, 22784, 38696, 39872, 44224, 45568, 61499, 77392, 79744, 88448, 122998, 154784, 159488, 176896, 245996, 309568, 318976, 353792, 430493, 491992, 619136, 860986, 983984, 1238272, 1721972, 1967968, 2476544, 3443944, 3935936, 6887888, 7871872, 13775776, 15743744, 27551552, 31487488, 55103104, 110206208, 220412416]

約数ペア:

[(1, 220412416), (2, 110206208), (4, 55103104), (7, 31487488), (8, 27551552), (14, 15743744), (16, 13775776), (28, 7871872), (32, 6887888), (56, 3935936), (64, 3443944), (89, 2476544), (112, 1967968), (128, 1721972), (178, 1238272), (224, 983984), (256, 860986), (356, 619136), (448, 491992), (512, 430493), (623, 353792), (691, 318976), (712, 309568), (896, 245996), (1246, 176896), (1382, 159488), (1424, 154784), (1792, 122998), (2492, 88448), (2764, 79744), (2848, 77392), (3584, 61499), (4837, 45568), (4984, 44224), (5528, 39872), (5696, 38696), (9674, 22784), (9968, 22112), (11056, 19936), (11392, 19348)]