825872460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{280909}}^1$

素因数の和:280935

約数の個数: 72

約数和(自身を含む): 2689994160

約数和(自身を除く): 1864121700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 280909, 561818, 842727, 1123636, 1404545, 1685454, 1966363, 2809090, 3370908, 3932726, 4213635, 5618180, 5899089, 7865452, 8427270, 9831815, 11798178, 13764541, 16854540, 19663630, 23596356, 27529082, 29495445, 39327260, 41293623, 55058164, 58990890, 68822705, 82587246, 117981780, 137645410, 165174492, 206468115, 275290820, 412936230, 825872460]

約数ペア:

[(1, 825872460), (2, 412936230), (3, 275290820), (4, 206468115), (5, 165174492), (6, 137645410), (7, 117981780), (10, 82587246), (12, 68822705), (14, 58990890), (15, 55058164), (20, 41293623), (21, 39327260), (28, 29495445), (30, 27529082), (35, 23596356), (42, 19663630), (49, 16854540), (60, 13764541), (70, 11798178), (84, 9831815), (98, 8427270), (105, 7865452), (140, 5899089), (147, 5618180), (196, 4213635), (210, 3932726), (245, 3370908), (294, 2809090), (420, 1966363), (490, 1685454), (588, 1404545), (735, 1123636), (980, 842727), (1470, 561818), (2940, 280909)]