200416940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{997}}^1$

素因数の和:1071

約数の個数: 72

約数和(自身を含む): 463590960

約数和(自身を除く): 263174020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 529, 874, 997, 1058, 1748, 1994, 2116, 2185, 2645, 3988, 4370, 4985, 5290, 8740, 9970, 10051, 10580, 18943, 19940, 20102, 22931, 37886, 40204, 45862, 50255, 75772, 91724, 94715, 100510, 114655, 189430, 201020, 229310, 378860, 435689, 458620, 527413, 871378, 1054826, 1742756, 2109652, 2178445, 2637065, 4356890, 5274130, 8713780, 10020847, 10548260, 20041694, 40083388, 50104235, 100208470, 200416940]

約数ペア:

[(1, 200416940), (2, 100208470), (4, 50104235), (5, 40083388), (10, 20041694), (19, 10548260), (20, 10020847), (23, 8713780), (38, 5274130), (46, 4356890), (76, 2637065), (92, 2178445), (95, 2109652), (115, 1742756), (190, 1054826), (230, 871378), (380, 527413), (437, 458620), (460, 435689), (529, 378860), (874, 229310), (997, 201020), (1058, 189430), (1748, 114655), (1994, 100510), (2116, 94715), (2185, 91724), (2645, 75772), (3988, 50255), (4370, 45862), (4985, 40204), (5290, 37886), (8740, 22931), (9970, 20102), (10051, 19940), (10580, 18943)]