198194920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 560390400

約数和(自身を除く): 362195480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 229, 280, 281, 308, 385, 440, 458, 562, 616, 770, 916, 1124, 1145, 1405, 1540, 1603, 1832, 1967, 2248, 2290, 2519, 2810, 3080, 3091, 3206, 3934, 4580, 5038, 5620, 6182, 6412, 7868, 8015, 9160, 9835, 10076, 11240, 12364, 12595, 12824, 15455, 15736, 16030, 17633, 19670, 20152, 21637, 24728, 25190, 30910, 32060, 35266, 39340, 43274, 50380, 61820, 64120, 64349, 70532, 78680, 86548, 88165, 100760, 108185, 123640, 128698, 141064, 173096, 176330, 216370, 257396, 321745, 352660, 432740, 450443, 514792, 643490, 705320, 707839, 865480, 900886, 1286980, 1415678, 1801772, 2252215, 2573960, 2831356, 3539195, 3603544, 4504430, 4954873, 5662712, 7078390, 9008860, 9909746, 14156780, 18017720, 19819492, 24774365, 28313560, 39638984, 49548730, 99097460, 198194920]

約数ペア:

[(1, 198194920), (2, 99097460), (4, 49548730), (5, 39638984), (7, 28313560), (8, 24774365), (10, 19819492), (11, 18017720), (14, 14156780), (20, 9909746), (22, 9008860), (28, 7078390), (35, 5662712), (40, 4954873), (44, 4504430), (55, 3603544), (56, 3539195), (70, 2831356), (77, 2573960), (88, 2252215), (110, 1801772), (140, 1415678), (154, 1286980), (220, 900886), (229, 865480), (280, 707839), (281, 705320), (308, 643490), (385, 514792), (440, 450443), (458, 432740), (562, 352660), (616, 321745), (770, 257396), (916, 216370), (1124, 176330), (1145, 173096), (1405, 141064), (1540, 128698), (1603, 123640), (1832, 108185), (1967, 100760), (2248, 88165), (2290, 86548), (2519, 78680), (2810, 70532), (3080, 64349), (3091, 64120), (3206, 61820), (3934, 50380), (4580, 43274), (5038, 39340), (5620, 35266), (6182, 32060), (6412, 30910), (7868, 25190), (8015, 24728), (9160, 21637), (9835, 20152), (10076, 19670), (11240, 17633), (12364, 16030), (12595, 15736), (12824, 15455)]