81830350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{809}}^1$

素因数の和:862

約数の個数: 72

約数和(自身を含む): 185010480

約数和(自身を除く): 103180130

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 170, 175, 238, 289, 350, 425, 578, 595, 809, 850, 1190, 1445, 1618, 2023, 2890, 2975, 4045, 4046, 5663, 5950, 7225, 8090, 10115, 11326, 13753, 14450, 20225, 20230, 27506, 28315, 40450, 50575, 56630, 68765, 96271, 101150, 137530, 141575, 192542, 233801, 283150, 343825, 467602, 481355, 687650, 962710, 1169005, 1636607, 2338010, 2406775, 3273214, 4813550, 5845025, 8183035, 11690050, 16366070, 40915175, 81830350]

約数ペア:

[(1, 81830350), (2, 40915175), (5, 16366070), (7, 11690050), (10, 8183035), (14, 5845025), (17, 4813550), (25, 3273214), (34, 2406775), (35, 2338010), (50, 1636607), (70, 1169005), (85, 962710), (119, 687650), (170, 481355), (175, 467602), (238, 343825), (289, 283150), (350, 233801), (425, 192542), (578, 141575), (595, 137530), (809, 101150), (850, 96271), (1190, 68765), (1445, 56630), (1618, 50575), (2023, 40450), (2890, 28315), (2975, 27506), (4045, 20230), (4046, 20225), (5663, 14450), (5950, 13753), (7225, 11326), (8090, 10115)]