76983980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{401}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 168164640

約数和(自身を除く): 91180660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 331, 401, 580, 662, 802, 1324, 1604, 1655, 2005, 3310, 4010, 6620, 8020, 9599, 11629, 19198, 23258, 38396, 46516, 47995, 58145, 95990, 116290, 132731, 191980, 232580, 265462, 530924, 663655, 1327310, 2654620, 3849199, 7698398, 15396796, 19245995, 38491990, 76983980]

約数ペア:

[(1, 76983980), (2, 38491990), (4, 19245995), (5, 15396796), (10, 7698398), (20, 3849199), (29, 2654620), (58, 1327310), (116, 663655), (145, 530924), (290, 265462), (331, 232580), (401, 191980), (580, 132731), (662, 116290), (802, 95990), (1324, 58145), (1604, 47995), (1655, 46516), (2005, 38396), (3310, 23258), (4010, 19198), (6620, 11629), (8020, 9599)]