208998860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78571}}^1$

素因数の和:78606

約数の個数: 48

約数和(自身を含む): 528003840

約数和(自身を除く): 319004980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 78571, 157142, 314284, 392855, 549997, 785710, 1099994, 1492849, 1571420, 2199988, 2749985, 2985698, 5499970, 5971396, 7464245, 10449943, 10999940, 14928490, 20899886, 29856980, 41799772, 52249715, 104499430, 208998860]

約数ペア:

[(1, 208998860), (2, 104499430), (4, 52249715), (5, 41799772), (7, 29856980), (10, 20899886), (14, 14928490), (19, 10999940), (20, 10449943), (28, 7464245), (35, 5971396), (38, 5499970), (70, 2985698), (76, 2749985), (95, 2199988), (133, 1571420), (140, 1492849), (190, 1099994), (266, 785710), (380, 549997), (532, 392855), (665, 314284), (1330, 157142), (2660, 78571)]