828278875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 1159142400

約数和(自身を除く): 330863525

約数列:

[1, 5, 19, 23, 25, 59, 95, 115, 125, 257, 295, 437, 475, 575, 1121, 1285, 1357, 1475, 2185, 2375, 2875, 4883, 5605, 5911, 6425, 6785, 7375, 10925, 15163, 24415, 25783, 28025, 29555, 32125, 33925, 54625, 75815, 112309, 122075, 128915, 140125, 147775, 169625, 288097, 348749, 379075, 561545, 610375, 644575, 738875, 1440485, 1743745, 1895375, 2807725, 3222875, 6626231, 7202425, 8718725, 14038625, 33131155, 36012125, 43593625, 165655775, 828278875]

約数ペア:

[(1, 828278875), (5, 165655775), (19, 43593625), (23, 36012125), (25, 33131155), (59, 14038625), (95, 8718725), (115, 7202425), (125, 6626231), (257, 3222875), (295, 2807725), (437, 1895375), (475, 1743745), (575, 1440485), (1121, 738875), (1285, 644575), (1357, 610375), (1475, 561545), (2185, 379075), (2375, 348749), (2875, 288097), (4883, 169625), (5605, 147775), (5911, 140125), (6425, 128915), (6785, 122075), (7375, 112309), (10925, 75815), (15163, 54625), (24415, 33925), (25783, 32125), (28025, 29555)]