305645988

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 776724480

約数和(自身を除く): 471078492

約数列:

[1, 2, 3, 4, 6, 12, 23, 31, 46, 62, 69, 92, 93, 124, 138, 139, 186, 257, 276, 278, 372, 417, 514, 556, 713, 771, 834, 1028, 1426, 1542, 1668, 2139, 2852, 3084, 3197, 4278, 4309, 5911, 6394, 7967, 8556, 8618, 9591, 11822, 12788, 12927, 15934, 17236, 17733, 19182, 23644, 23901, 25854, 31868, 35466, 35723, 38364, 47802, 51708, 70932, 71446, 95604, 99107, 107169, 142892, 183241, 198214, 214338, 297321, 366482, 396428, 428676, 549723, 594642, 732964, 821629, 1099446, 1107413, 1189284, 1643258, 2198892, 2214826, 2464887, 3286516, 3322239, 4429652, 4929774, 6644478, 9859548, 13288956, 25470499, 50940998, 76411497, 101881996, 152822994, 305645988]

約数ペア:

[(1, 305645988), (2, 152822994), (3, 101881996), (4, 76411497), (6, 50940998), (12, 25470499), (23, 13288956), (31, 9859548), (46, 6644478), (62, 4929774), (69, 4429652), (92, 3322239), (93, 3286516), (124, 2464887), (138, 2214826), (139, 2198892), (186, 1643258), (257, 1189284), (276, 1107413), (278, 1099446), (372, 821629), (417, 732964), (514, 594642), (556, 549723), (713, 428676), (771, 396428), (834, 366482), (1028, 297321), (1426, 214338), (1542, 198214), (1668, 183241), (2139, 142892), (2852, 107169), (3084, 99107), (3197, 95604), (4278, 71446), (4309, 70932), (5911, 51708), (6394, 47802), (7967, 38364), (8556, 35723), (8618, 35466), (9591, 31868), (11822, 25854), (12788, 23901), (12927, 23644), (15934, 19182), (17236, 17733)]