198338140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9907}}^1$

素因数の和:9947

約数の個数: 96

約数和(自身を含む): 559286784

約数和(自身を除く): 360948644

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 9907, 10010, 19814, 20020, 39628, 49535, 69349, 99070, 108977, 128791, 138698, 198140, 217954, 257582, 277396, 346745, 435908, 515164, 544885, 643955, 693490, 762839, 901537, 1089770, 1287910, 1386980, 1416701, 1525678, 1803074, 2179540, 2575820, 2833402, 3051356, 3606148, 3814195, 4507685, 5666804, 7083505, 7628390, 9015370, 9916907, 14167010, 15256780, 18030740, 19833814, 28334020, 39667628, 49584535, 99169070, 198338140]

約数ペア:

[(1, 198338140), (2, 99169070), (4, 49584535), (5, 39667628), (7, 28334020), (10, 19833814), (11, 18030740), (13, 15256780), (14, 14167010), (20, 9916907), (22, 9015370), (26, 7628390), (28, 7083505), (35, 5666804), (44, 4507685), (52, 3814195), (55, 3606148), (65, 3051356), (70, 2833402), (77, 2575820), (91, 2179540), (110, 1803074), (130, 1525678), (140, 1416701), (143, 1386980), (154, 1287910), (182, 1089770), (220, 901537), (260, 762839), (286, 693490), (308, 643955), (364, 544885), (385, 515164), (455, 435908), (572, 346745), (715, 277396), (770, 257582), (910, 217954), (1001, 198140), (1430, 138698), (1540, 128791), (1820, 108977), (2002, 99070), (2860, 69349), (4004, 49535), (5005, 39628), (9907, 20020), (10010, 19814)]