289182460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{7457}}^1$

素因数の和:7750

約数の個数: 48

約数和(自身を含む): 696636864

約数和(自身を除く): 407454404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1385, 1939, 2770, 3878, 5540, 7457, 7756, 9695, 14914, 19390, 29828, 37285, 38780, 52199, 74570, 104398, 149140, 208796, 260995, 521990, 1043980, 2065589, 4131178, 8262356, 10327945, 14459123, 20655890, 28918246, 41311780, 57836492, 72295615, 144591230, 289182460]

約数ペア:

[(1, 289182460), (2, 144591230), (4, 72295615), (5, 57836492), (7, 41311780), (10, 28918246), (14, 20655890), (20, 14459123), (28, 10327945), (35, 8262356), (70, 4131178), (140, 2065589), (277, 1043980), (554, 521990), (1108, 260995), (1385, 208796), (1939, 149140), (2770, 104398), (3878, 74570), (5540, 52199), (7457, 38780), (7756, 37285), (9695, 29828), (14914, 19390)]