303906988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 672584192

約数和(自身を除く): 368677204

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 271, 308, 331, 484, 542, 662, 847, 1084, 1324, 1694, 1897, 2317, 2981, 3388, 3641, 3794, 4634, 5962, 7282, 7588, 9268, 11924, 14564, 20867, 25487, 32791, 40051, 41734, 50974, 65582, 80102, 83468, 89701, 101948, 131164, 160204, 179402, 229537, 280357, 358804, 459074, 560714, 627907, 918148, 986711, 1121428, 1255814, 1973422, 2511628, 3946844, 6906977, 10853821, 13813954, 21707642, 27627908, 43415284, 75976747, 151953494, 303906988]

約数ペア:

[(1, 303906988), (2, 151953494), (4, 75976747), (7, 43415284), (11, 27627908), (14, 21707642), (22, 13813954), (28, 10853821), (44, 6906977), (77, 3946844), (121, 2511628), (154, 1973422), (242, 1255814), (271, 1121428), (308, 986711), (331, 918148), (484, 627907), (542, 560714), (662, 459074), (847, 358804), (1084, 280357), (1324, 229537), (1694, 179402), (1897, 160204), (2317, 131164), (2981, 101948), (3388, 89701), (3641, 83468), (3794, 80102), (4634, 65582), (5962, 50974), (7282, 41734), (7588, 40051), (9268, 32791), (11924, 25487), (14564, 20867)]