189040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:169

約数の個数: 40

約数和(自身を含む): 468720

約数和(自身を除く): 279680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 170, 272, 278, 340, 556, 680, 695, 1112, 1360, 1390, 2224, 2363, 2780, 4726, 5560, 9452, 11120, 11815, 18904, 23630, 37808, 47260, 94520, 189040]

約数ペア:

[(1, 189040), (2, 94520), (4, 47260), (5, 37808), (8, 23630), (10, 18904), (16, 11815), (17, 11120), (20, 9452), (34, 5560), (40, 4726), (68, 2780), (80, 2363), (85, 2224), (136, 1390), (139, 1360), (170, 1112), (272, 695), (278, 680), (340, 556)]