1780809808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 3705387840

約数和(自身を除く): 1924578032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 97, 131, 152, 194, 262, 304, 388, 461, 524, 776, 922, 1048, 1552, 1843, 1844, 2096, 2489, 3686, 3688, 4978, 7372, 7376, 8759, 9956, 12707, 14744, 17518, 19912, 25414, 29488, 35036, 39824, 44717, 50828, 60391, 70072, 89434, 101656, 120782, 140144, 178868, 203312, 241433, 241564, 357736, 482866, 483128, 715472, 849623, 965732, 966256, 1147429, 1699246, 1931464, 2294858, 3398492, 3862928, 4589716, 5857927, 6796984, 9179432, 11715854, 13593968, 18358864, 23431708, 46863416, 93726832, 111300613, 222601226, 445202452, 890404904, 1780809808]

約数ペア:

[(1, 1780809808), (2, 890404904), (4, 445202452), (8, 222601226), (16, 111300613), (19, 93726832), (38, 46863416), (76, 23431708), (97, 18358864), (131, 13593968), (152, 11715854), (194, 9179432), (262, 6796984), (304, 5857927), (388, 4589716), (461, 3862928), (524, 3398492), (776, 2294858), (922, 1931464), (1048, 1699246), (1552, 1147429), (1843, 966256), (1844, 965732), (2096, 849623), (2489, 715472), (3686, 483128), (3688, 482866), (4978, 357736), (7372, 241564), (7376, 241433), (8759, 203312), (9956, 178868), (12707, 140144), (14744, 120782), (17518, 101656), (19912, 89434), (25414, 70072), (29488, 60391), (35036, 50828), (39824, 44717)]