199601780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 500048640

約数和(自身を除く): 300446860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 211, 233, 290, 406, 422, 466, 580, 812, 844, 932, 1015, 1055, 1165, 1477, 1631, 2030, 2110, 2330, 2954, 3262, 4060, 4220, 4660, 5908, 6119, 6524, 6757, 7385, 8155, 12238, 13514, 14770, 16310, 24476, 27028, 29540, 30595, 32620, 33785, 42833, 47299, 49163, 61190, 67570, 85666, 94598, 98326, 122380, 135140, 171332, 189196, 196652, 214165, 236495, 245815, 344141, 428330, 472990, 491630, 688282, 856660, 945980, 983260, 1376564, 1425727, 1720705, 2851454, 3441410, 5702908, 6882820, 7128635, 9980089, 14257270, 19960178, 28514540, 39920356, 49900445, 99800890, 199601780]

約数ペア:

[(1, 199601780), (2, 99800890), (4, 49900445), (5, 39920356), (7, 28514540), (10, 19960178), (14, 14257270), (20, 9980089), (28, 7128635), (29, 6882820), (35, 5702908), (58, 3441410), (70, 2851454), (116, 1720705), (140, 1425727), (145, 1376564), (203, 983260), (211, 945980), (233, 856660), (290, 688282), (406, 491630), (422, 472990), (466, 428330), (580, 344141), (812, 245815), (844, 236495), (932, 214165), (1015, 196652), (1055, 189196), (1165, 171332), (1477, 135140), (1631, 122380), (2030, 98326), (2110, 94598), (2330, 85666), (2954, 67570), (3262, 61190), (4060, 49163), (4220, 47299), (4660, 42833), (5908, 33785), (6119, 32620), (6524, 30595), (6757, 29540), (7385, 27028), (8155, 24476), (12238, 16310), (13514, 14770)]