840148736

素因数分解:

$2^8\times 7^1\times {\mathrm{631}}^1\times {\mathrm{743}}^1$

素因数の和:1397

約数の個数: 72

約数和(自身を含む): 1922210304

約数和(自身を除く): 1082061568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 631, 743, 896, 1262, 1486, 1792, 2524, 2972, 4417, 5048, 5201, 5944, 8834, 10096, 10402, 11888, 17668, 20192, 20804, 23776, 35336, 40384, 41608, 47552, 70672, 80768, 83216, 95104, 141344, 161536, 166432, 190208, 282688, 332864, 468833, 565376, 665728, 937666, 1130752, 1331456, 1875332, 3281831, 3750664, 6563662, 7501328, 13127324, 15002656, 26254648, 30005312, 52509296, 60010624, 105018592, 120021248, 210037184, 420074368, 840148736]

約数ペア:

[(1, 840148736), (2, 420074368), (4, 210037184), (7, 120021248), (8, 105018592), (14, 60010624), (16, 52509296), (28, 30005312), (32, 26254648), (56, 15002656), (64, 13127324), (112, 7501328), (128, 6563662), (224, 3750664), (256, 3281831), (448, 1875332), (631, 1331456), (743, 1130752), (896, 937666), (1262, 665728), (1486, 565376), (1792, 468833), (2524, 332864), (2972, 282688), (4417, 190208), (5048, 166432), (5201, 161536), (5944, 141344), (8834, 95104), (10096, 83216), (10402, 80768), (11888, 70672), (17668, 47552), (20192, 41608), (20804, 40384), (23776, 35336)]