268478800

素因数分解:

$2^4\times 5^2\times {\mathrm{491}}^1\times {\mathrm{1367}}^1$

素因数の和:1876

約数の個数: 60

約数和(自身を含む): 646806816

約数和(自身を除く): 378328016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 491, 982, 1367, 1964, 2455, 2734, 3928, 4910, 5468, 6835, 7856, 9820, 10936, 12275, 13670, 19640, 21872, 24550, 27340, 34175, 39280, 49100, 54680, 68350, 98200, 109360, 136700, 196400, 273400, 546800, 671197, 1342394, 2684788, 3355985, 5369576, 6711970, 10739152, 13423940, 16779925, 26847880, 33559850, 53695760, 67119700, 134239400, 268478800]

約数ペア:

[(1, 268478800), (2, 134239400), (4, 67119700), (5, 53695760), (8, 33559850), (10, 26847880), (16, 16779925), (20, 13423940), (25, 10739152), (40, 6711970), (50, 5369576), (80, 3355985), (100, 2684788), (200, 1342394), (400, 671197), (491, 546800), (982, 273400), (1367, 196400), (1964, 136700), (2455, 109360), (2734, 98200), (3928, 68350), (4910, 54680), (5468, 49100), (6835, 39280), (7856, 34175), (9820, 27340), (10936, 24550), (12275, 21872), (13670, 19640)]