401065840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13513}}^1$

素因数の和:13586

約数の個数: 80

約数和(自身を含む): 1085876928

約数和(自身を除く): 684811088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2968, 3710, 4240, 5936, 7420, 13513, 14840, 27026, 29680, 54052, 67565, 94591, 108104, 135130, 189182, 216208, 270260, 378364, 472955, 540520, 716189, 756728, 945910, 1081040, 1432378, 1513456, 1891820, 2864756, 3580945, 3783640, 5013323, 5729512, 7161890, 7567280, 10026646, 11459024, 14323780, 20053292, 25066615, 28647560, 40106584, 50133230, 57295120, 80213168, 100266460, 200532920, 401065840]

約数ペア:

[(1, 401065840), (2, 200532920), (4, 100266460), (5, 80213168), (7, 57295120), (8, 50133230), (10, 40106584), (14, 28647560), (16, 25066615), (20, 20053292), (28, 14323780), (35, 11459024), (40, 10026646), (53, 7567280), (56, 7161890), (70, 5729512), (80, 5013323), (106, 3783640), (112, 3580945), (140, 2864756), (212, 1891820), (265, 1513456), (280, 1432378), (371, 1081040), (424, 945910), (530, 756728), (560, 716189), (742, 540520), (848, 472955), (1060, 378364), (1484, 270260), (1855, 216208), (2120, 189182), (2968, 135130), (3710, 108104), (4240, 94591), (5936, 67565), (7420, 54052), (13513, 29680), (14840, 27026)]