194040470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 393361920

約数和(自身を除く): 199321450

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 89, 130, 155, 178, 310, 403, 445, 541, 806, 890, 1082, 1157, 2015, 2314, 2705, 2759, 4030, 5410, 5518, 5785, 7033, 11570, 13795, 14066, 16771, 27590, 33542, 35165, 35867, 48149, 70330, 71734, 83855, 96298, 167710, 179335, 218023, 240745, 358670, 436046, 481490, 625937, 1090115, 1251874, 1492619, 2180230, 2985238, 3129685, 6259370, 7463095, 14926190, 19404047, 38808094, 97020235, 194040470]

約数ペア:

[(1, 194040470), (2, 97020235), (5, 38808094), (10, 19404047), (13, 14926190), (26, 7463095), (31, 6259370), (62, 3129685), (65, 2985238), (89, 2180230), (130, 1492619), (155, 1251874), (178, 1090115), (310, 625937), (403, 481490), (445, 436046), (541, 358670), (806, 240745), (890, 218023), (1082, 179335), (1157, 167710), (2015, 96298), (2314, 83855), (2705, 71734), (2759, 70330), (4030, 48149), (5410, 35867), (5518, 35165), (5785, 33542), (7033, 27590), (11570, 16771), (13795, 14066)]