2519825

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:63

約数の個数: 54

約数和(自身を含む): 4230198

約数和(自身を除く): 1710373

約数列:

[1, 5, 7, 11, 17, 25, 35, 49, 55, 77, 85, 119, 121, 175, 187, 245, 275, 385, 425, 539, 595, 605, 833, 847, 935, 1225, 1309, 1925, 2057, 2695, 2975, 3025, 4165, 4235, 4675, 5929, 6545, 9163, 10285, 13475, 14399, 20825, 21175, 29645, 32725, 45815, 51425, 71995, 100793, 148225, 229075, 359975, 503965, 2519825]

約数ペア:

[(1, 2519825), (5, 503965), (7, 359975), (11, 229075), (17, 148225), (25, 100793), (35, 71995), (49, 51425), (55, 45815), (77, 32725), (85, 29645), (119, 21175), (121, 20825), (175, 14399), (187, 13475), (245, 10285), (275, 9163), (385, 6545), (425, 5929), (539, 4675), (595, 4235), (605, 4165), (833, 3025), (847, 2975), (935, 2695), (1225, 2057), (1309, 1925)]