28181350

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 54840240

約数和(自身を除く): 26658890

約数列:

[1, 2, 5, 10, 25, 41, 50, 59, 82, 118, 205, 233, 295, 410, 466, 590, 1025, 1165, 1475, 2050, 2330, 2419, 2950, 4838, 5825, 9553, 11650, 12095, 13747, 19106, 24190, 27494, 47765, 60475, 68735, 95530, 120950, 137470, 238825, 343675, 477650, 563627, 687350, 1127254, 2818135, 5636270, 14090675, 28181350]

約数ペア:

[(1, 28181350), (2, 14090675), (5, 5636270), (10, 2818135), (25, 1127254), (41, 687350), (50, 563627), (59, 477650), (82, 343675), (118, 238825), (205, 137470), (233, 120950), (295, 95530), (410, 68735), (466, 60475), (590, 47765), (1025, 27494), (1165, 24190), (1475, 19106), (2050, 13747), (2330, 12095), (2419, 11650), (2950, 9553), (4838, 5825)]