120381940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{19997}}^1$

素因数の和:20056

約数の個数: 48

約数和(自身を含む): 295650432

約数和(自身を除く): 175268492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 19997, 39994, 79988, 99985, 139979, 199970, 279958, 399940, 559916, 699895, 859871, 1399790, 1719742, 2799580, 3439484, 4299355, 6019097, 8598710, 12038194, 17197420, 24076388, 30095485, 60190970, 120381940]

約数ペア:

[(1, 120381940), (2, 60190970), (4, 30095485), (5, 24076388), (7, 17197420), (10, 12038194), (14, 8598710), (20, 6019097), (28, 4299355), (35, 3439484), (43, 2799580), (70, 1719742), (86, 1399790), (140, 859871), (172, 699895), (215, 559916), (301, 399940), (430, 279958), (602, 199970), (860, 139979), (1204, 99985), (1505, 79988), (3010, 39994), (6020, 19997)]