999460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 2681280

約数和(自身を除く): 1681820

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 59, 70, 77, 110, 118, 121, 140, 154, 220, 236, 242, 295, 308, 385, 413, 484, 590, 605, 649, 770, 826, 847, 1180, 1210, 1298, 1540, 1652, 1694, 2065, 2420, 2596, 3245, 3388, 4130, 4235, 4543, 6490, 7139, 8260, 8470, 9086, 12980, 14278, 16940, 18172, 22715, 28556, 35695, 45430, 49973, 71390, 90860, 99946, 142780, 199892, 249865, 499730, 999460]

約数ペア:

[(1, 999460), (2, 499730), (4, 249865), (5, 199892), (7, 142780), (10, 99946), (11, 90860), (14, 71390), (20, 49973), (22, 45430), (28, 35695), (35, 28556), (44, 22715), (55, 18172), (59, 16940), (70, 14278), (77, 12980), (110, 9086), (118, 8470), (121, 8260), (140, 7139), (154, 6490), (220, 4543), (236, 4235), (242, 4130), (295, 3388), (308, 3245), (385, 2596), (413, 2420), (484, 2065), (590, 1694), (605, 1652), (649, 1540), (770, 1298), (826, 1210), (847, 1180)]