405007520

素因数分解:

$2^5\times 5^1\times {\mathrm{349}}^1\times {\mathrm{7253}}^1$

素因数の和:7617

約数の個数: 48

約数和(自身を含む): 959704200

約数和(自身を除く): 554696680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 7253, 11168, 13960, 14506, 27920, 29012, 36265, 55840, 58024, 72530, 116048, 145060, 232096, 290120, 580240, 1160480, 2531297, 5062594, 10125188, 12656485, 20250376, 25312970, 40500752, 50625940, 81001504, 101251880, 202503760, 405007520]

約数ペア:

[(1, 405007520), (2, 202503760), (4, 101251880), (5, 81001504), (8, 50625940), (10, 40500752), (16, 25312970), (20, 20250376), (32, 12656485), (40, 10125188), (80, 5062594), (160, 2531297), (349, 1160480), (698, 580240), (1396, 290120), (1745, 232096), (2792, 145060), (3490, 116048), (5584, 72530), (6980, 58024), (7253, 55840), (11168, 36265), (13960, 29012), (14506, 27920)]