78434440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{751}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 202498560

約数和(自身を除く): 124064120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 373, 746, 751, 1492, 1502, 1865, 2611, 2984, 3004, 3730, 3755, 5222, 5257, 6008, 7460, 7510, 10444, 10514, 13055, 14920, 15020, 20888, 21028, 26110, 26285, 30040, 42056, 52220, 52570, 104440, 105140, 210280, 280123, 560246, 1120492, 1400615, 1960861, 2240984, 2801230, 3921722, 5602460, 7843444, 9804305, 11204920, 15686888, 19608610, 39217220, 78434440]

約数ペア:

[(1, 78434440), (2, 39217220), (4, 19608610), (5, 15686888), (7, 11204920), (8, 9804305), (10, 7843444), (14, 5602460), (20, 3921722), (28, 2801230), (35, 2240984), (40, 1960861), (56, 1400615), (70, 1120492), (140, 560246), (280, 280123), (373, 210280), (746, 105140), (751, 104440), (1492, 52570), (1502, 52220), (1865, 42056), (2611, 30040), (2984, 26285), (3004, 26110), (3730, 21028), (3755, 20888), (5222, 15020), (5257, 14920), (6008, 13055), (7460, 10514), (7510, 10444)]