4254440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 10229760

約数和(自身を除く): 5975320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 73, 94, 124, 146, 155, 188, 235, 248, 292, 310, 365, 376, 470, 584, 620, 730, 940, 1240, 1457, 1460, 1880, 2263, 2914, 2920, 3431, 4526, 5828, 6862, 7285, 9052, 11315, 11656, 13724, 14570, 17155, 18104, 22630, 27448, 29140, 34310, 45260, 58280, 68620, 90520, 106361, 137240, 212722, 425444, 531805, 850888, 1063610, 2127220, 4254440]

約数ペア:

[(1, 4254440), (2, 2127220), (4, 1063610), (5, 850888), (8, 531805), (10, 425444), (20, 212722), (31, 137240), (40, 106361), (47, 90520), (62, 68620), (73, 58280), (94, 45260), (124, 34310), (146, 29140), (155, 27448), (188, 22630), (235, 18104), (248, 17155), (292, 14570), (310, 13724), (365, 11656), (376, 11315), (470, 9052), (584, 7285), (620, 6862), (730, 5828), (940, 4526), (1240, 3431), (1457, 2920), (1460, 2914), (1880, 2263)]