277994660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{683}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 598461696

約数和(自身を除く): 320467036

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 433, 470, 683, 866, 940, 1366, 1732, 2165, 2732, 3415, 4330, 6830, 8660, 13660, 20351, 32101, 40702, 64202, 81404, 101755, 128404, 160505, 203510, 295739, 321010, 407020, 591478, 642020, 1182956, 1478695, 2957390, 5914780, 13899733, 27799466, 55598932, 69498665, 138997330, 277994660]

約数ペア:

[(1, 277994660), (2, 138997330), (4, 69498665), (5, 55598932), (10, 27799466), (20, 13899733), (47, 5914780), (94, 2957390), (188, 1478695), (235, 1182956), (433, 642020), (470, 591478), (683, 407020), (866, 321010), (940, 295739), (1366, 203510), (1732, 160505), (2165, 128404), (2732, 101755), (3415, 81404), (4330, 64202), (6830, 40702), (8660, 32101), (13660, 20351)]