389189920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18289}}^1$

素因数の和:18330

約数の個数: 96

約数和(自身を含む): 1106179200

約数和(自身を除く): 716989280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 4256, 5320, 10640, 18289, 21280, 36578, 73156, 91445, 128023, 146312, 182890, 256046, 292624, 347491, 365780, 512092, 585248, 640115, 694982, 731560, 1024184, 1280230, 1389964, 1463120, 1737455, 2048368, 2432437, 2560460, 2779928, 2926240, 3474910, 4096736, 4864874, 5120920, 5559856, 6949820, 9729748, 10241840, 11119712, 12162185, 13899640, 19459496, 20483680, 24324370, 27799280, 38918992, 48648740, 55598560, 77837984, 97297480, 194594960, 389189920]

約数ペア:

[(1, 389189920), (2, 194594960), (4, 97297480), (5, 77837984), (7, 55598560), (8, 48648740), (10, 38918992), (14, 27799280), (16, 24324370), (19, 20483680), (20, 19459496), (28, 13899640), (32, 12162185), (35, 11119712), (38, 10241840), (40, 9729748), (56, 6949820), (70, 5559856), (76, 5120920), (80, 4864874), (95, 4096736), (112, 3474910), (133, 2926240), (140, 2779928), (152, 2560460), (160, 2432437), (190, 2048368), (224, 1737455), (266, 1463120), (280, 1389964), (304, 1280230), (380, 1024184), (532, 731560), (560, 694982), (608, 640115), (665, 585248), (760, 512092), (1064, 365780), (1120, 347491), (1330, 292624), (1520, 256046), (2128, 182890), (2660, 146312), (3040, 128023), (4256, 91445), (5320, 73156), (10640, 36578), (18289, 21280)]