25406990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2729}}^1$

素因数の和:2769

約数の個数: 48

約数和(自身を含む): 56019600

約数和(自身を除く): 30612610

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 2729, 4655, 5458, 9310, 13645, 19103, 27290, 38206, 51851, 95515, 103702, 133721, 191030, 259255, 267442, 362957, 518510, 668605, 725914, 1337210, 1814785, 2540699, 3629570, 5081398, 12703495, 25406990]

約数ペア:

[(1, 25406990), (2, 12703495), (5, 5081398), (7, 3629570), (10, 2540699), (14, 1814785), (19, 1337210), (35, 725914), (38, 668605), (49, 518510), (70, 362957), (95, 267442), (98, 259255), (133, 191030), (190, 133721), (245, 103702), (266, 95515), (490, 51851), (665, 38206), (931, 27290), (1330, 19103), (1862, 13645), (2729, 9310), (4655, 5458)]