129202540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{673}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 281947680

約数和(自身を除く): 152745140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 331, 580, 662, 673, 1324, 1346, 1655, 2692, 3310, 3365, 6620, 6730, 9599, 13460, 19198, 19517, 38396, 39034, 47995, 78068, 95990, 97585, 191980, 195170, 222763, 390340, 445526, 891052, 1113815, 2227630, 4455260, 6460127, 12920254, 25840508, 32300635, 64601270, 129202540]

約数ペア:

[(1, 129202540), (2, 64601270), (4, 32300635), (5, 25840508), (10, 12920254), (20, 6460127), (29, 4455260), (58, 2227630), (116, 1113815), (145, 891052), (290, 445526), (331, 390340), (580, 222763), (662, 195170), (673, 191980), (1324, 97585), (1346, 95990), (1655, 78068), (2692, 47995), (3310, 39034), (3365, 38396), (6620, 19517), (6730, 19198), (9599, 13460)]