2885871905

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 4323941568

約数和(自身を除く): 1438069663

約数列:

[1, 5, 7, 19, 35, 49, 67, 95, 133, 245, 335, 361, 469, 487, 665, 931, 1273, 1805, 2345, 2435, 2527, 3283, 3409, 4655, 6365, 8911, 9253, 12635, 16415, 17045, 17689, 23863, 24187, 32629, 44555, 46265, 62377, 64771, 88445, 119315, 120935, 163145, 169309, 175807, 228403, 311885, 323855, 453397, 619951, 846545, 879035, 1142015, 1185163, 1230649, 1598821, 2266985, 3099755, 4339657, 5925815, 6153245, 7994105, 8614543, 11779069, 21698285, 30377599, 43072715, 58895345, 82453483, 151887995, 412267415, 577174381, 2885871905]

約数ペア:

[(1, 2885871905), (5, 577174381), (7, 412267415), (19, 151887995), (35, 82453483), (49, 58895345), (67, 43072715), (95, 30377599), (133, 21698285), (245, 11779069), (335, 8614543), (361, 7994105), (469, 6153245), (487, 5925815), (665, 4339657), (931, 3099755), (1273, 2266985), (1805, 1598821), (2345, 1230649), (2435, 1185163), (2527, 1142015), (3283, 879035), (3409, 846545), (4655, 619951), (6365, 453397), (8911, 323855), (9253, 311885), (12635, 228403), (16415, 175807), (17045, 169309), (17689, 163145), (23863, 120935), (24187, 119315), (32629, 88445), (44555, 64771), (46265, 62377)]