1780050008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 4023613440

約数和(自身を除く): 2243563432

約数列:

[1, 2, 4, 8, 11, 17, 22, 31, 34, 44, 62, 68, 88, 124, 131, 136, 187, 248, 262, 293, 341, 374, 524, 527, 586, 682, 748, 1048, 1054, 1172, 1364, 1441, 1496, 2108, 2227, 2344, 2728, 2882, 3223, 4061, 4216, 4454, 4981, 5764, 5797, 6446, 8122, 8908, 9083, 9962, 11528, 11594, 12892, 16244, 17816, 18166, 19924, 23188, 24497, 25784, 32488, 36332, 38383, 39848, 44671, 46376, 48994, 54791, 69037, 72664, 76766, 89342, 97988, 99913, 109582, 138074, 153532, 154411, 178684, 195976, 199826, 219164, 276148, 307064, 308822, 357368, 399652, 422213, 438328, 552296, 617644, 652511, 759407, 799304, 844426, 1189873, 1235288, 1305022, 1518814, 1688852, 1698521, 2379746, 2610044, 3037628, 3377704, 3397042, 4759492, 5220088, 6075256, 6794084, 7177621, 9518984, 13088603, 13588168, 14355242, 20227841, 26177206, 28710484, 40455682, 52354412, 57420968, 80911364, 104708824, 161822728, 222506251, 445012502, 890025004, 1780050008]

約数ペア:

[(1, 1780050008), (2, 890025004), (4, 445012502), (8, 222506251), (11, 161822728), (17, 104708824), (22, 80911364), (31, 57420968), (34, 52354412), (44, 40455682), (62, 28710484), (68, 26177206), (88, 20227841), (124, 14355242), (131, 13588168), (136, 13088603), (187, 9518984), (248, 7177621), (262, 6794084), (293, 6075256), (341, 5220088), (374, 4759492), (524, 3397042), (527, 3377704), (586, 3037628), (682, 2610044), (748, 2379746), (1048, 1698521), (1054, 1688852), (1172, 1518814), (1364, 1305022), (1441, 1235288), (1496, 1189873), (2108, 844426), (2227, 799304), (2344, 759407), (2728, 652511), (2882, 617644), (3223, 552296), (4061, 438328), (4216, 422213), (4454, 399652), (4981, 357368), (5764, 308822), (5797, 307064), (6446, 276148), (8122, 219164), (8908, 199826), (9083, 195976), (9962, 178684), (11528, 154411), (11594, 153532), (12892, 138074), (16244, 109582), (17816, 99913), (18166, 97988), (19924, 89342), (23188, 76766), (24497, 72664), (25784, 69037), (32488, 54791), (36332, 48994), (38383, 46376), (39848, 44671)]