449719380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227131}}^1$

素因数の和:227157

約数の個数: 72

約数和(自身を含む): 1488168864

約数和(自身を除く): 1038449484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 227131, 454262, 681393, 908524, 1135655, 1362786, 2044179, 2271310, 2498441, 2725572, 3406965, 4088358, 4542620, 4996882, 6813930, 7495323, 8176716, 9993764, 10220895, 12492205, 13627860, 14990646, 20441790, 22485969, 24984410, 29981292, 37476615, 40883580, 44971938, 49968820, 74953230, 89943876, 112429845, 149906460, 224859690, 449719380]

約数ペア:

[(1, 449719380), (2, 224859690), (3, 149906460), (4, 112429845), (5, 89943876), (6, 74953230), (9, 49968820), (10, 44971938), (11, 40883580), (12, 37476615), (15, 29981292), (18, 24984410), (20, 22485969), (22, 20441790), (30, 14990646), (33, 13627860), (36, 12492205), (44, 10220895), (45, 9993764), (55, 8176716), (60, 7495323), (66, 6813930), (90, 4996882), (99, 4542620), (110, 4088358), (132, 3406965), (165, 2725572), (180, 2498441), (198, 2271310), (220, 2044179), (330, 1362786), (396, 1135655), (495, 908524), (660, 681393), (990, 454262), (1980, 227131)]