990279164

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 2166151680

約数和(自身を除く): 1175872516

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 73, 76, 86, 133, 146, 172, 266, 292, 301, 511, 532, 593, 602, 817, 1022, 1186, 1204, 1387, 1634, 2044, 2372, 2774, 3139, 3268, 4151, 5548, 5719, 6278, 8302, 9709, 11267, 11438, 12556, 16604, 19418, 21973, 22534, 22876, 25499, 38836, 43289, 43946, 45068, 50998, 59641, 78869, 86578, 87892, 101996, 119282, 157738, 173156, 178493, 238564, 303023, 315476, 356986, 417487, 484481, 606046, 713972, 822491, 834974, 968962, 1212092, 1644982, 1669948, 1861427, 1937924, 3289964, 3391367, 3722854, 5757437, 6782734, 7445708, 11514874, 13029989, 13565468, 23029748, 26059978, 35367113, 52119956, 70734226, 141468452, 247569791, 495139582, 990279164]

約数ペア:

[(1, 990279164), (2, 495139582), (4, 247569791), (7, 141468452), (14, 70734226), (19, 52119956), (28, 35367113), (38, 26059978), (43, 23029748), (73, 13565468), (76, 13029989), (86, 11514874), (133, 7445708), (146, 6782734), (172, 5757437), (266, 3722854), (292, 3391367), (301, 3289964), (511, 1937924), (532, 1861427), (593, 1669948), (602, 1644982), (817, 1212092), (1022, 968962), (1186, 834974), (1204, 822491), (1387, 713972), (1634, 606046), (2044, 484481), (2372, 417487), (2774, 356986), (3139, 315476), (3268, 303023), (4151, 238564), (5548, 178493), (5719, 173156), (6278, 157738), (8302, 119282), (9709, 101996), (11267, 87892), (11438, 86578), (12556, 78869), (16604, 59641), (19418, 50998), (21973, 45068), (22534, 43946), (22876, 43289), (25499, 38836)]