38910340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{619}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 93744000

約数和(自身を除く): 54833660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 619, 898, 1238, 1796, 2245, 2476, 3095, 3143, 4333, 4490, 6190, 6286, 8666, 8980, 12380, 12572, 15715, 17332, 21665, 31430, 43330, 62860, 86660, 277931, 555862, 1111724, 1389655, 1945517, 2779310, 3891034, 5558620, 7782068, 9727585, 19455170, 38910340]

約数ペア:

[(1, 38910340), (2, 19455170), (4, 9727585), (5, 7782068), (7, 5558620), (10, 3891034), (14, 2779310), (20, 1945517), (28, 1389655), (35, 1111724), (70, 555862), (140, 277931), (449, 86660), (619, 62860), (898, 43330), (1238, 31430), (1796, 21665), (2245, 17332), (2476, 15715), (3095, 12572), (3143, 12380), (4333, 8980), (4490, 8666), (6190, 6286)]