397900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 906192

約数和(自身を除く): 508292

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 173, 230, 346, 460, 575, 692, 865, 1150, 1730, 2300, 3460, 3979, 4325, 7958, 8650, 15916, 17300, 19895, 39790, 79580, 99475, 198950, 397900]

約数ペア:

[(1, 397900), (2, 198950), (4, 99475), (5, 79580), (10, 39790), (20, 19895), (23, 17300), (25, 15916), (46, 8650), (50, 7958), (92, 4325), (100, 3979), (115, 3460), (173, 2300), (230, 1730), (346, 1150), (460, 865), (575, 692)]