319921000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{6529}}^1$

素因数の和:6564

約数の個数: 96

約数和(自身を含む): 870971400

約数和(自身を除く): 551050400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 490, 500, 700, 875, 980, 1000, 1225, 1400, 1750, 1960, 2450, 3500, 4900, 6125, 6529, 7000, 9800, 12250, 13058, 24500, 26116, 32645, 45703, 49000, 52232, 65290, 91406, 130580, 163225, 182812, 228515, 261160, 319921, 326450, 365624, 457030, 639842, 652900, 816125, 914060, 1142575, 1279684, 1305800, 1599605, 1632250, 1828120, 2285150, 2559368, 3199210, 3264500, 4570300, 5712875, 6398420, 6529000, 7998025, 9140600, 11425750, 12796840, 15996050, 22851500, 31992100, 39990125, 45703000, 63984200, 79980250, 159960500, 319921000]

約数ペア:

[(1, 319921000), (2, 159960500), (4, 79980250), (5, 63984200), (7, 45703000), (8, 39990125), (10, 31992100), (14, 22851500), (20, 15996050), (25, 12796840), (28, 11425750), (35, 9140600), (40, 7998025), (49, 6529000), (50, 6398420), (56, 5712875), (70, 4570300), (98, 3264500), (100, 3199210), (125, 2559368), (140, 2285150), (175, 1828120), (196, 1632250), (200, 1599605), (245, 1305800), (250, 1279684), (280, 1142575), (350, 914060), (392, 816125), (490, 652900), (500, 639842), (700, 457030), (875, 365624), (980, 326450), (1000, 319921), (1225, 261160), (1400, 228515), (1750, 182812), (1960, 163225), (2450, 130580), (3500, 91406), (4900, 65290), (6125, 52232), (6529, 49000), (7000, 45703), (9800, 32645), (12250, 26116), (13058, 24500)]