248243380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{487}}^1$

素因数の和:845

約数の個数: 96

約数和(自身を含む): 653248512

約数和(自身を除く): 405005132

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 331, 385, 487, 662, 770, 974, 1324, 1540, 1655, 1948, 2317, 2435, 3310, 3409, 3641, 4634, 4870, 5357, 6620, 6818, 7282, 9268, 9740, 10714, 11585, 13636, 14564, 17045, 18205, 21428, 23170, 25487, 26785, 34090, 36410, 37499, 46340, 50974, 53570, 68180, 72820, 74998, 101948, 107140, 127435, 149996, 161197, 187495, 254870, 322394, 374990, 509740, 644788, 749980, 805985, 1128379, 1611970, 1773167, 2256758, 3223940, 3546334, 4513516, 5641895, 7092668, 8865835, 11283790, 12412169, 17731670, 22567580, 24824338, 35463340, 49648676, 62060845, 124121690, 248243380]

約数ペア:

[(1, 248243380), (2, 124121690), (4, 62060845), (5, 49648676), (7, 35463340), (10, 24824338), (11, 22567580), (14, 17731670), (20, 12412169), (22, 11283790), (28, 8865835), (35, 7092668), (44, 5641895), (55, 4513516), (70, 3546334), (77, 3223940), (110, 2256758), (140, 1773167), (154, 1611970), (220, 1128379), (308, 805985), (331, 749980), (385, 644788), (487, 509740), (662, 374990), (770, 322394), (974, 254870), (1324, 187495), (1540, 161197), (1655, 149996), (1948, 127435), (2317, 107140), (2435, 101948), (3310, 74998), (3409, 72820), (3641, 68180), (4634, 53570), (4870, 50974), (5357, 46340), (6620, 37499), (6818, 36410), (7282, 34090), (9268, 26785), (9740, 25487), (10714, 23170), (11585, 21428), (13636, 18205), (14564, 17045)]