39438140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{5749}}^1$

素因数の和:5779

約数の個数: 48

約数和(自身を含む): 96600000

約数和(自身を除く): 57161860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 5749, 6860, 11498, 22996, 28745, 40243, 57490, 80486, 114980, 160972, 201215, 281701, 402430, 563402, 804860, 1126804, 1408505, 1971907, 2817010, 3943814, 5634020, 7887628, 9859535, 19719070, 39438140]

約数ペア:

[(1, 39438140), (2, 19719070), (4, 9859535), (5, 7887628), (7, 5634020), (10, 3943814), (14, 2817010), (20, 1971907), (28, 1408505), (35, 1126804), (49, 804860), (70, 563402), (98, 402430), (140, 281701), (196, 201215), (245, 160972), (343, 114980), (490, 80486), (686, 57490), (980, 40243), (1372, 28745), (1715, 22996), (3430, 11498), (5749, 6860)]