199428515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 299400192

約数和(自身を除く): 99971677

約数列:

[1, 5, 11, 13, 23, 55, 65, 67, 115, 143, 181, 253, 299, 335, 715, 737, 871, 905, 1265, 1495, 1541, 1991, 2353, 3289, 3685, 4163, 4355, 7705, 9581, 9955, 11765, 12127, 16445, 16951, 20033, 20815, 25883, 45793, 47905, 54119, 60635, 84755, 100165, 129415, 133397, 157651, 220363, 228965, 270595, 278921, 595309, 666985, 788255, 1101815, 1394605, 1734161, 2976545, 3068131, 3625973, 8670805, 15340655, 18129865, 39885703, 199428515]

約数ペア:

[(1, 199428515), (5, 39885703), (11, 18129865), (13, 15340655), (23, 8670805), (55, 3625973), (65, 3068131), (67, 2976545), (115, 1734161), (143, 1394605), (181, 1101815), (253, 788255), (299, 666985), (335, 595309), (715, 278921), (737, 270595), (871, 228965), (905, 220363), (1265, 157651), (1495, 133397), (1541, 129415), (1991, 100165), (2353, 84755), (3289, 60635), (3685, 54119), (4163, 47905), (4355, 45793), (7705, 25883), (9581, 20815), (9955, 20033), (11765, 16951), (12127, 16445)]