205152050

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:863

約数の個数: 48

約数和(自身を含む): 394776072

約数和(自身を除く): 189624022

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 173, 185, 346, 370, 641, 865, 925, 1282, 1730, 1850, 3205, 4325, 6401, 6410, 8650, 12802, 16025, 23717, 32005, 32050, 47434, 64010, 110893, 118585, 160025, 221786, 237170, 320050, 554465, 592925, 1108930, 1185850, 2772325, 4103041, 5544650, 8206082, 20515205, 41030410, 102576025, 205152050]

約数ペア:

[(1, 205152050), (2, 102576025), (5, 41030410), (10, 20515205), (25, 8206082), (37, 5544650), (50, 4103041), (74, 2772325), (173, 1185850), (185, 1108930), (346, 592925), (370, 554465), (641, 320050), (865, 237170), (925, 221786), (1282, 160025), (1730, 118585), (1850, 110893), (3205, 64010), (4325, 47434), (6401, 32050), (6410, 32005), (8650, 23717), (12802, 16025)]