127968400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{6529}}^1$

素因数の和:6561

約数の個数: 90

約数和(自身を含む): 357693810

約数和(自身を除く): 229725410

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 6529, 9800, 13058, 19600, 26116, 32645, 45703, 52232, 65290, 91406, 104464, 130580, 163225, 182812, 228515, 261160, 319921, 326450, 365624, 457030, 522320, 639842, 652900, 731248, 914060, 1142575, 1279684, 1305800, 1599605, 1828120, 2285150, 2559368, 2611600, 3199210, 3656240, 4570300, 5118736, 6398420, 7998025, 9140600, 12796840, 15996050, 18281200, 25593680, 31992100, 63984200, 127968400]

約数ペア:

[(1, 127968400), (2, 63984200), (4, 31992100), (5, 25593680), (7, 18281200), (8, 15996050), (10, 12796840), (14, 9140600), (16, 7998025), (20, 6398420), (25, 5118736), (28, 4570300), (35, 3656240), (40, 3199210), (49, 2611600), (50, 2559368), (56, 2285150), (70, 1828120), (80, 1599605), (98, 1305800), (100, 1279684), (112, 1142575), (140, 914060), (175, 731248), (196, 652900), (200, 639842), (245, 522320), (280, 457030), (350, 365624), (392, 326450), (400, 319921), (490, 261160), (560, 228515), (700, 182812), (784, 163225), (980, 130580), (1225, 104464), (1400, 91406), (1960, 65290), (2450, 52232), (2800, 45703), (3920, 32645), (4900, 26116), (6529, 19600), (9800, 13058)]