243854940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{580607}}^1$

素因数の和:580626

約数の個数: 48

約数和(自身を含む): 780337152

約数和(自身を除く): 536482212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 580607, 1161214, 1741821, 2322428, 2903035, 3483642, 4064249, 5806070, 6967284, 8128498, 8709105, 11612140, 12192747, 16256996, 17418210, 20321245, 24385494, 34836420, 40642490, 48770988, 60963735, 81284980, 121927470, 243854940]

約数ペア:

[(1, 243854940), (2, 121927470), (3, 81284980), (4, 60963735), (5, 48770988), (6, 40642490), (7, 34836420), (10, 24385494), (12, 20321245), (14, 17418210), (15, 16256996), (20, 12192747), (21, 11612140), (28, 8709105), (30, 8128498), (35, 6967284), (42, 5806070), (60, 4064249), (70, 3483642), (84, 2903035), (105, 2322428), (140, 1741821), (210, 1161214), (420, 580607)]