66988180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{773}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 161239680

約数和(自身を除く): 94251500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 619, 773, 1238, 1546, 2476, 3092, 3095, 3865, 4333, 5411, 6190, 7730, 8666, 10822, 12380, 15460, 17332, 21644, 21665, 27055, 43330, 54110, 86660, 108220, 478487, 956974, 1913948, 2392435, 3349409, 4784870, 6698818, 9569740, 13397636, 16747045, 33494090, 66988180]

約数ペア:

[(1, 66988180), (2, 33494090), (4, 16747045), (5, 13397636), (7, 9569740), (10, 6698818), (14, 4784870), (20, 3349409), (28, 2392435), (35, 1913948), (70, 956974), (140, 478487), (619, 108220), (773, 86660), (1238, 54110), (1546, 43330), (2476, 27055), (3092, 21665), (3095, 21644), (3865, 17332), (4333, 15460), (5411, 12380), (6190, 10822), (7730, 8666)]