304835960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:561

約数の個数: 128

約数和(自身を含む): 813758400

約数和(自身を除く): 508922440

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 137, 143, 220, 260, 274, 286, 389, 440, 520, 548, 572, 685, 715, 778, 1096, 1144, 1370, 1430, 1507, 1556, 1781, 1945, 2740, 2860, 3014, 3112, 3562, 3890, 4279, 5057, 5480, 5720, 6028, 7124, 7535, 7780, 8558, 8905, 10114, 12056, 14248, 15070, 15560, 17116, 17810, 19591, 20228, 21395, 25285, 30140, 34232, 35620, 39182, 40456, 42790, 50570, 53293, 55627, 60280, 71240, 78364, 85580, 97955, 101140, 106586, 111254, 156728, 171160, 195910, 202280, 213172, 222508, 266465, 278135, 391820, 426344, 445016, 532930, 556270, 586223, 692809, 783640, 1065860, 1112540, 1172446, 1385618, 2131720, 2225080, 2344892, 2771236, 2931115, 3464045, 4689784, 5542472, 5862230, 6928090, 7620899, 11724460, 13856180, 15241798, 23448920, 27712360, 30483596, 38104495, 60967192, 76208990, 152417980, 304835960]

約数ペア:

[(1, 304835960), (2, 152417980), (4, 76208990), (5, 60967192), (8, 38104495), (10, 30483596), (11, 27712360), (13, 23448920), (20, 15241798), (22, 13856180), (26, 11724460), (40, 7620899), (44, 6928090), (52, 5862230), (55, 5542472), (65, 4689784), (88, 3464045), (104, 2931115), (110, 2771236), (130, 2344892), (137, 2225080), (143, 2131720), (220, 1385618), (260, 1172446), (274, 1112540), (286, 1065860), (389, 783640), (440, 692809), (520, 586223), (548, 556270), (572, 532930), (685, 445016), (715, 426344), (778, 391820), (1096, 278135), (1144, 266465), (1370, 222508), (1430, 213172), (1507, 202280), (1556, 195910), (1781, 171160), (1945, 156728), (2740, 111254), (2860, 106586), (3014, 101140), (3112, 97955), (3562, 85580), (3890, 78364), (4279, 71240), (5057, 60280), (5480, 55627), (5720, 53293), (6028, 50570), (7124, 42790), (7535, 40456), (7780, 39182), (8558, 35620), (8905, 34232), (10114, 30140), (12056, 25285), (14248, 21395), (15070, 20228), (15560, 19591), (17116, 17810)]