78919540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29669}}^1$

素因数の和:29704

約数の個数: 48

約数和(自身を含む): 199382400

約数和(自身を除く): 120462860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 29669, 59338, 118676, 148345, 207683, 296690, 415366, 563711, 593380, 830732, 1038415, 1127422, 2076830, 2254844, 2818555, 3945977, 4153660, 5637110, 7891954, 11274220, 15783908, 19729885, 39459770, 78919540]

約数ペア:

[(1, 78919540), (2, 39459770), (4, 19729885), (5, 15783908), (7, 11274220), (10, 7891954), (14, 5637110), (19, 4153660), (20, 3945977), (28, 2818555), (35, 2254844), (38, 2076830), (70, 1127422), (76, 1038415), (95, 830732), (133, 593380), (140, 563711), (190, 415366), (266, 296690), (380, 207683), (532, 148345), (665, 118676), (1330, 59338), (2660, 29669)]