209143260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61153}}^1$

素因数の和:61187

約数の個数: 72

約数和(自身を含む): 667801680

約数和(自身を除く): 458658420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 61153, 122306, 183459, 244612, 305765, 366918, 550377, 611530, 733836, 917295, 1100754, 1161907, 1223060, 1834590, 2201508, 2323814, 2751885, 3485721, 3669180, 4647628, 5503770, 5809535, 6971442, 10457163, 11007540, 11619070, 13942884, 17428605, 20914326, 23238140, 34857210, 41828652, 52285815, 69714420, 104571630, 209143260]

約数ペア:

[(1, 209143260), (2, 104571630), (3, 69714420), (4, 52285815), (5, 41828652), (6, 34857210), (9, 23238140), (10, 20914326), (12, 17428605), (15, 13942884), (18, 11619070), (19, 11007540), (20, 10457163), (30, 6971442), (36, 5809535), (38, 5503770), (45, 4647628), (57, 3669180), (60, 3485721), (76, 2751885), (90, 2323814), (95, 2201508), (114, 1834590), (171, 1223060), (180, 1161907), (190, 1100754), (228, 917295), (285, 733836), (342, 611530), (380, 550377), (570, 366918), (684, 305765), (855, 244612), (1140, 183459), (1710, 122306), (3420, 61153)]