217438760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:567

約数の個数: 128

約数和(自身を含む): 614615040

約数和(自身を除く): 397176280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 227, 280, 308, 311, 385, 440, 454, 616, 622, 770, 908, 1135, 1244, 1540, 1555, 1589, 1816, 2177, 2270, 2488, 2497, 3080, 3110, 3178, 3421, 4354, 4540, 4994, 6220, 6356, 6842, 7945, 8708, 9080, 9988, 10885, 12440, 12485, 12712, 13684, 15890, 17105, 17416, 17479, 19976, 21770, 23947, 24970, 27368, 31780, 34210, 34958, 43540, 47894, 49940, 63560, 68420, 69916, 70597, 87080, 87395, 95788, 99880, 119735, 136840, 139832, 141194, 174790, 191576, 239470, 282388, 349580, 352985, 478940, 494179, 564776, 699160, 705970, 776567, 957880, 988358, 1411940, 1553134, 1976716, 2470895, 2823880, 3106268, 3882835, 3953432, 4941790, 5435969, 6212536, 7765670, 9883580, 10871938, 15531340, 19767160, 21743876, 27179845, 31062680, 43487752, 54359690, 108719380, 217438760]

約数ペア:

[(1, 217438760), (2, 108719380), (4, 54359690), (5, 43487752), (7, 31062680), (8, 27179845), (10, 21743876), (11, 19767160), (14, 15531340), (20, 10871938), (22, 9883580), (28, 7765670), (35, 6212536), (40, 5435969), (44, 4941790), (55, 3953432), (56, 3882835), (70, 3106268), (77, 2823880), (88, 2470895), (110, 1976716), (140, 1553134), (154, 1411940), (220, 988358), (227, 957880), (280, 776567), (308, 705970), (311, 699160), (385, 564776), (440, 494179), (454, 478940), (616, 352985), (622, 349580), (770, 282388), (908, 239470), (1135, 191576), (1244, 174790), (1540, 141194), (1555, 139832), (1589, 136840), (1816, 119735), (2177, 99880), (2270, 95788), (2488, 87395), (2497, 87080), (3080, 70597), (3110, 69916), (3178, 68420), (3421, 63560), (4354, 49940), (4540, 47894), (4994, 43540), (6220, 34958), (6356, 34210), (6842, 31780), (7945, 27368), (8708, 24970), (9080, 23947), (9988, 21770), (10885, 19976), (12440, 17479), (12485, 17416), (12712, 17105), (13684, 15890)]