217439680

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23431}}^1$

素因数の和:23477

約数の個数: 56

約数和(自身を含む): 535655520

約数和(自身を除く): 318215840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 9280, 23431, 46862, 93724, 117155, 187448, 234310, 374896, 468620, 679499, 749792, 937240, 1358998, 1499584, 1874480, 2717996, 3397495, 3748960, 5435992, 6794990, 7497920, 10871984, 13589980, 21743968, 27179960, 43487936, 54359920, 108719840, 217439680]

約数ペア:

[(1, 217439680), (2, 108719840), (4, 54359920), (5, 43487936), (8, 27179960), (10, 21743968), (16, 13589980), (20, 10871984), (29, 7497920), (32, 6794990), (40, 5435992), (58, 3748960), (64, 3397495), (80, 2717996), (116, 1874480), (145, 1499584), (160, 1358998), (232, 937240), (290, 749792), (320, 679499), (464, 468620), (580, 374896), (928, 234310), (1160, 187448), (1856, 117155), (2320, 93724), (4640, 46862), (9280, 23431)]