77795980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1187}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 170644320

約数和(自身を除く): 92848340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 113, 116, 145, 226, 290, 452, 565, 580, 1130, 1187, 2260, 2374, 3277, 4748, 5935, 6554, 11870, 13108, 16385, 23740, 32770, 34423, 65540, 68846, 134131, 137692, 172115, 268262, 344230, 536524, 670655, 688460, 1341310, 2682620, 3889799, 7779598, 15559196, 19448995, 38897990, 77795980]

約数ペア:

[(1, 77795980), (2, 38897990), (4, 19448995), (5, 15559196), (10, 7779598), (20, 3889799), (29, 2682620), (58, 1341310), (113, 688460), (116, 670655), (145, 536524), (226, 344230), (290, 268262), (452, 172115), (565, 137692), (580, 134131), (1130, 68846), (1187, 65540), (2260, 34423), (2374, 32770), (3277, 23740), (4748, 16385), (5935, 13108), (6554, 11870)]