490241192

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 1161216000

約数和(自身を除く): 670974808

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 89, 124, 133, 152, 167, 178, 217, 248, 266, 334, 356, 434, 532, 589, 623, 668, 712, 868, 1064, 1169, 1178, 1246, 1336, 1691, 1736, 2338, 2356, 2492, 2759, 3173, 3382, 4123, 4676, 4712, 4984, 5177, 5518, 6346, 6764, 8246, 9352, 10354, 11036, 11837, 12692, 13528, 14863, 16492, 19313, 20708, 22072, 22211, 23674, 25384, 29726, 32984, 36239, 38626, 41416, 44422, 47348, 52421, 59452, 72478, 77252, 88844, 94696, 98363, 104041, 104842, 118904, 144956, 154504, 177688, 196726, 208082, 209684, 282397, 289912, 366947, 393452, 416164, 419368, 460753, 564794, 688541, 733894, 786904, 832328, 921506, 1129588, 1377082, 1467788, 1843012, 1976779, 2259176, 2754164, 2935576, 3225271, 3686024, 3953558, 5508328, 6450542, 7907116, 8754307, 12901084, 15814232, 17508614, 25802168, 35017228, 61280149, 70034456, 122560298, 245120596, 490241192]

約数ペア:

[(1, 490241192), (2, 245120596), (4, 122560298), (7, 70034456), (8, 61280149), (14, 35017228), (19, 25802168), (28, 17508614), (31, 15814232), (38, 12901084), (56, 8754307), (62, 7907116), (76, 6450542), (89, 5508328), (124, 3953558), (133, 3686024), (152, 3225271), (167, 2935576), (178, 2754164), (217, 2259176), (248, 1976779), (266, 1843012), (334, 1467788), (356, 1377082), (434, 1129588), (532, 921506), (589, 832328), (623, 786904), (668, 733894), (712, 688541), (868, 564794), (1064, 460753), (1169, 419368), (1178, 416164), (1246, 393452), (1336, 366947), (1691, 289912), (1736, 282397), (2338, 209684), (2356, 208082), (2492, 196726), (2759, 177688), (3173, 154504), (3382, 144956), (4123, 118904), (4676, 104842), (4712, 104041), (4984, 98363), (5177, 94696), (5518, 88844), (6346, 77252), (6764, 72478), (8246, 59452), (9352, 52421), (10354, 47348), (11036, 44422), (11837, 41416), (12692, 38626), (13528, 36239), (14863, 32984), (16492, 29726), (19313, 25384), (20708, 23674), (22072, 22211)]