137721520

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3767}}^1$

素因数の和:4237

約数の個数: 40

約数和(自身を含む): 320988384

約数和(自身を除く): 183266864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1828, 2285, 3656, 3767, 4570, 7312, 7534, 9140, 15068, 18280, 18835, 30136, 36560, 37670, 60272, 75340, 150680, 301360, 1721519, 3443038, 6886076, 8607595, 13772152, 17215190, 27544304, 34430380, 68860760, 137721520]

約数ペア:

[(1, 137721520), (2, 68860760), (4, 34430380), (5, 27544304), (8, 17215190), (10, 13772152), (16, 8607595), (20, 6886076), (40, 3443038), (80, 1721519), (457, 301360), (914, 150680), (1828, 75340), (2285, 60272), (3656, 37670), (3767, 36560), (4570, 30136), (7312, 18835), (7534, 18280), (9140, 15068)]