193735220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{197689}}^1$

素因数の和:197712

約数の個数: 36

約数和(自身を含む): 473269860

約数和(自身を除く): 279534640

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 197689, 395378, 790756, 988445, 1383823, 1976890, 2767646, 3953780, 5535292, 6919115, 9686761, 13838230, 19373522, 27676460, 38747044, 48433805, 96867610, 193735220]

約数ペア:

[(1, 193735220), (2, 96867610), (4, 48433805), (5, 38747044), (7, 27676460), (10, 19373522), (14, 13838230), (20, 9686761), (28, 6919115), (35, 5535292), (49, 3953780), (70, 2767646), (98, 1976890), (140, 1383823), (196, 988445), (245, 790756), (490, 395378), (980, 197689)]