140617480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3491}}^1$

素因数の和:3574

約数の個数: 64

約数和(自身を含む): 339422400

約数和(自身を除く): 198804920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 2014, 2120, 3491, 4028, 5035, 6982, 8056, 10070, 13964, 17455, 20140, 27928, 34910, 40280, 66329, 69820, 132658, 139640, 185023, 265316, 331645, 370046, 530632, 663290, 740092, 925115, 1326580, 1480184, 1850230, 2653160, 3515437, 3700460, 7030874, 7400920, 14061748, 17577185, 28123496, 35154370, 70308740, 140617480]

約数ペア:

[(1, 140617480), (2, 70308740), (4, 35154370), (5, 28123496), (8, 17577185), (10, 14061748), (19, 7400920), (20, 7030874), (38, 3700460), (40, 3515437), (53, 2653160), (76, 1850230), (95, 1480184), (106, 1326580), (152, 925115), (190, 740092), (212, 663290), (265, 530632), (380, 370046), (424, 331645), (530, 265316), (760, 185023), (1007, 139640), (1060, 132658), (2014, 69820), (2120, 66329), (3491, 40280), (4028, 34910), (5035, 27928), (6982, 20140), (8056, 17455), (10070, 13964)]