402005375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1361}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 535429440

約数和(自身を除く): 133424065

約数列:

[1, 5, 17, 25, 85, 125, 139, 425, 695, 1361, 2125, 2363, 3475, 6805, 11815, 17375, 23137, 34025, 59075, 115685, 170125, 189179, 295375, 578425, 945895, 2892125, 3216043, 4729475, 16080215, 23647375, 80401075, 402005375]

約数ペア:

[(1, 402005375), (5, 80401075), (17, 23647375), (25, 16080215), (85, 4729475), (125, 3216043), (139, 2892125), (425, 945895), (695, 578425), (1361, 295375), (2125, 189179), (2363, 170125), (3475, 115685), (6805, 59075), (11815, 34025), (17375, 23137)]