17521420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{941}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 45102960

約数和(自身を除く): 27581540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 941, 980, 1330, 1862, 1882, 2660, 3724, 3764, 4655, 4705, 6587, 9310, 9410, 13174, 17879, 18620, 18820, 26348, 32935, 35758, 46109, 65870, 71516, 89395, 92218, 125153, 131740, 178790, 184436, 230545, 250306, 357580, 461090, 500612, 625765, 876071, 922180, 1251530, 1752142, 2503060, 3504284, 4380355, 8760710, 17521420]

約数ペア:

[(1, 17521420), (2, 8760710), (4, 4380355), (5, 3504284), (7, 2503060), (10, 1752142), (14, 1251530), (19, 922180), (20, 876071), (28, 625765), (35, 500612), (38, 461090), (49, 357580), (70, 250306), (76, 230545), (95, 184436), (98, 178790), (133, 131740), (140, 125153), (190, 92218), (196, 89395), (245, 71516), (266, 65870), (380, 46109), (490, 35758), (532, 32935), (665, 26348), (931, 18820), (941, 18620), (980, 17879), (1330, 13174), (1862, 9410), (1882, 9310), (2660, 6587), (3724, 4705), (3764, 4655)]