9888740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 22317120

約数和(自身を除く): 12428380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 491, 530, 982, 1007, 1060, 1964, 2014, 2455, 4028, 4910, 5035, 9329, 9820, 10070, 18658, 20140, 26023, 37316, 46645, 52046, 93290, 104092, 130115, 186580, 260230, 494437, 520460, 988874, 1977748, 2472185, 4944370, 9888740]

約数ペア:

[(1, 9888740), (2, 4944370), (4, 2472185), (5, 1977748), (10, 988874), (19, 520460), (20, 494437), (38, 260230), (53, 186580), (76, 130115), (95, 104092), (106, 93290), (190, 52046), (212, 46645), (265, 37316), (380, 26023), (491, 20140), (530, 18658), (982, 10070), (1007, 9820), (1060, 9329), (1964, 5035), (2014, 4910), (2455, 4028)]