217594480

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{12197}}^1$

素因数の和:12433

約数の個数: 40

約数和(自身を含む): 508217472

約数和(自身を除く): 290622992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 12197, 17840, 24394, 48788, 60985, 97576, 121970, 195152, 243940, 487880, 975760, 2719931, 5439862, 10879724, 13599655, 21759448, 27199310, 43518896, 54398620, 108797240, 217594480]

約数ペア:

[(1, 217594480), (2, 108797240), (4, 54398620), (5, 43518896), (8, 27199310), (10, 21759448), (16, 13599655), (20, 10879724), (40, 5439862), (80, 2719931), (223, 975760), (446, 487880), (892, 243940), (1115, 195152), (1784, 121970), (2230, 97576), (3568, 60985), (4460, 48788), (8920, 24394), (12197, 17840)]