30028075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 48925440

約数和(自身を除く): 18897365

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 133, 175, 209, 275, 385, 475, 665, 821, 1045, 1463, 1925, 3325, 4105, 5225, 5747, 7315, 9031, 15599, 20525, 28735, 36575, 45155, 63217, 77995, 109193, 143675, 171589, 225775, 316085, 389975, 545965, 857945, 1201123, 1580425, 2729825, 4289725, 6005615, 30028075]

約数ペア:

[(1, 30028075), (5, 6005615), (7, 4289725), (11, 2729825), (19, 1580425), (25, 1201123), (35, 857945), (55, 545965), (77, 389975), (95, 316085), (133, 225775), (175, 171589), (209, 143675), (275, 109193), (385, 77995), (475, 63217), (665, 45155), (821, 36575), (1045, 28735), (1463, 20525), (1925, 15599), (3325, 9031), (4105, 7315), (5225, 5747)]