7090040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{491}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 16870680

約数和(自身を除く): 9780640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 491, 722, 760, 982, 1444, 1805, 1964, 2455, 2888, 3610, 3928, 4910, 7220, 9329, 9820, 14440, 18658, 19640, 37316, 46645, 74632, 93290, 177251, 186580, 354502, 373160, 709004, 886255, 1418008, 1772510, 3545020, 7090040]

約数ペア:

[(1, 7090040), (2, 3545020), (4, 1772510), (5, 1418008), (8, 886255), (10, 709004), (19, 373160), (20, 354502), (38, 186580), (40, 177251), (76, 93290), (95, 74632), (152, 46645), (190, 37316), (361, 19640), (380, 18658), (491, 14440), (722, 9820), (760, 9329), (982, 7220), (1444, 4910), (1805, 3928), (1964, 3610), (2455, 2888)]