1489238905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1249}}^1$

素因数の和:1454

約数の個数: 64

約数和(自身を含む): 2361600000

約数和(自身を除く): 872361095

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 163, 209, 385, 665, 815, 1045, 1141, 1249, 1463, 1793, 3097, 5705, 6245, 7315, 8743, 8965, 12551, 13739, 15485, 21679, 23731, 34067, 43715, 62755, 68695, 96173, 108395, 118655, 166117, 170335, 203587, 238469, 261041, 480865, 830585, 1017935, 1192345, 1305205, 1425109, 1827287, 2239457, 3868153, 7125545, 9136435, 11197285, 15676199, 19340765, 27077071, 42549683, 78380995, 135385355, 212748415, 297847781, 1489238905]

約数ペア:

[(1, 1489238905), (5, 297847781), (7, 212748415), (11, 135385355), (19, 78380995), (35, 42549683), (55, 27077071), (77, 19340765), (95, 15676199), (133, 11197285), (163, 9136435), (209, 7125545), (385, 3868153), (665, 2239457), (815, 1827287), (1045, 1425109), (1141, 1305205), (1249, 1192345), (1463, 1017935), (1793, 830585), (3097, 480865), (5705, 261041), (6245, 238469), (7315, 203587), (8743, 170335), (8965, 166117), (12551, 118655), (13739, 108395), (15485, 96173), (21679, 68695), (23731, 62755), (34067, 43715)]