256465950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 144

約数和(自身を含む): 703633536

約数和(自身を除く): 447167586

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 67, 75, 78, 130, 134, 150, 151, 169, 195, 201, 302, 325, 335, 338, 390, 402, 453, 507, 650, 670, 755, 845, 871, 906, 975, 1005, 1014, 1510, 1675, 1690, 1742, 1950, 1963, 2010, 2265, 2535, 2613, 3350, 3775, 3926, 4225, 4355, 4530, 5025, 5070, 5226, 5889, 7550, 8450, 8710, 9815, 10050, 10117, 11323, 11325, 11778, 12675, 13065, 19630, 20234, 21775, 22646, 22650, 25350, 25519, 26130, 29445, 30351, 33969, 43550, 49075, 50585, 51038, 56615, 58890, 60702, 65325, 67938, 76557, 98150, 101170, 113230, 127595, 130650, 131521, 147225, 151755, 153114, 169845, 252925, 255190, 263042, 283075, 294450, 303510, 339690, 382785, 394563, 505850, 566150, 637975, 657605, 758775, 765570, 789126, 849225, 1275950, 1315210, 1517550, 1698450, 1709773, 1913925, 1972815, 3288025, 3419546, 3827850, 3945630, 5129319, 6576050, 8548865, 9864075, 10258638, 17097730, 19728150, 25646595, 42744325, 51293190, 85488650, 128232975, 256465950]

約数ペア:

[(1, 256465950), (2, 128232975), (3, 85488650), (5, 51293190), (6, 42744325), (10, 25646595), (13, 19728150), (15, 17097730), (25, 10258638), (26, 9864075), (30, 8548865), (39, 6576050), (50, 5129319), (65, 3945630), (67, 3827850), (75, 3419546), (78, 3288025), (130, 1972815), (134, 1913925), (150, 1709773), (151, 1698450), (169, 1517550), (195, 1315210), (201, 1275950), (302, 849225), (325, 789126), (335, 765570), (338, 758775), (390, 657605), (402, 637975), (453, 566150), (507, 505850), (650, 394563), (670, 382785), (755, 339690), (845, 303510), (871, 294450), (906, 283075), (975, 263042), (1005, 255190), (1014, 252925), (1510, 169845), (1675, 153114), (1690, 151755), (1742, 147225), (1950, 131521), (1963, 130650), (2010, 127595), (2265, 113230), (2535, 101170), (2613, 98150), (3350, 76557), (3775, 67938), (3926, 65325), (4225, 60702), (4355, 58890), (4530, 56615), (5025, 51038), (5070, 50585), (5226, 49075), (5889, 43550), (7550, 33969), (8450, 30351), (8710, 29445), (9815, 26130), (10050, 25519), (10117, 25350), (11323, 22650), (11325, 22646), (11778, 21775), (12675, 20234), (13065, 19630)]