140398256

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 60

約数和(自身を含む): 294039216

約数和(自身を除く): 153640960

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 397, 496, 713, 794, 961, 1426, 1588, 1922, 2852, 3176, 3844, 5704, 6352, 7688, 9131, 11408, 12307, 15376, 18262, 22103, 24614, 36524, 44206, 49228, 73048, 88412, 98456, 146096, 176824, 196912, 283061, 353648, 381517, 566122, 763034, 1132244, 1526068, 2264488, 3052136, 4528976, 6104272, 8774891, 17549782, 35099564, 70199128, 140398256]

約数ペア:

[(1, 140398256), (2, 70199128), (4, 35099564), (8, 17549782), (16, 8774891), (23, 6104272), (31, 4528976), (46, 3052136), (62, 2264488), (92, 1526068), (124, 1132244), (184, 763034), (248, 566122), (368, 381517), (397, 353648), (496, 283061), (713, 196912), (794, 176824), (961, 146096), (1426, 98456), (1588, 88412), (1922, 73048), (2852, 49228), (3176, 44206), (3844, 36524), (5704, 24614), (6352, 22103), (7688, 18262), (9131, 15376), (11408, 12307)]