280140322

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 551577600

約数和(自身を除く): 271437278

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 139, 154, 161, 253, 278, 322, 506, 569, 973, 1138, 1529, 1771, 1946, 3058, 3197, 3542, 3983, 6259, 6394, 7966, 10703, 12518, 13087, 21406, 22379, 26174, 35167, 43813, 44758, 70334, 79091, 87626, 91609, 143957, 158182, 183218, 246169, 287914, 492338, 553637, 870001, 1007699, 1107274, 1740002, 1819093, 2015398, 3638186, 6090007, 12180014, 12733651, 20010023, 25467302, 40020046, 140070161, 280140322]

約数ペア:

[(1, 280140322), (2, 140070161), (7, 40020046), (11, 25467302), (14, 20010023), (22, 12733651), (23, 12180014), (46, 6090007), (77, 3638186), (139, 2015398), (154, 1819093), (161, 1740002), (253, 1107274), (278, 1007699), (322, 870001), (506, 553637), (569, 492338), (973, 287914), (1138, 246169), (1529, 183218), (1771, 158182), (1946, 143957), (3058, 91609), (3197, 87626), (3542, 79091), (3983, 70334), (6259, 44758), (6394, 43813), (7966, 35167), (10703, 26174), (12518, 22379), (13087, 21406)]