420684544

素因数分解:

$2^8\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1297}}^1$

素因数の和:1501

約数の個数: 72

約数和(自身を含む): 965732768

約数和(自身を除く): 545048224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 181, 224, 256, 362, 448, 724, 896, 1267, 1297, 1448, 1792, 2534, 2594, 2896, 5068, 5188, 5792, 9079, 10136, 10376, 11584, 18158, 20272, 20752, 23168, 36316, 40544, 41504, 46336, 72632, 81088, 83008, 145264, 162176, 166016, 234757, 290528, 324352, 332032, 469514, 581056, 939028, 1162112, 1643299, 1878056, 2324224, 3286598, 3756112, 6573196, 7512224, 13146392, 15024448, 26292784, 30048896, 52585568, 60097792, 105171136, 210342272, 420684544]

約数ペア:

[(1, 420684544), (2, 210342272), (4, 105171136), (7, 60097792), (8, 52585568), (14, 30048896), (16, 26292784), (28, 15024448), (32, 13146392), (56, 7512224), (64, 6573196), (112, 3756112), (128, 3286598), (181, 2324224), (224, 1878056), (256, 1643299), (362, 1162112), (448, 939028), (724, 581056), (896, 469514), (1267, 332032), (1297, 324352), (1448, 290528), (1792, 234757), (2534, 166016), (2594, 162176), (2896, 145264), (5068, 83008), (5188, 81088), (5792, 72632), (9079, 46336), (10136, 41504), (10376, 40544), (11584, 36316), (18158, 23168), (20272, 20752)]