42389930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:743

約数の個数: 48

約数和(自身を含む): 85580712

約数和(自身を除く): 43190782

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 121, 242, 265, 530, 583, 605, 661, 1166, 1210, 1322, 2915, 3305, 5830, 6413, 6610, 7271, 12826, 14542, 32065, 35033, 36355, 64130, 70066, 72710, 79981, 159962, 175165, 350330, 385363, 399905, 770726, 799810, 1926815, 3853630, 4238993, 8477986, 21194965, 42389930]

約数ペア:

[(1, 42389930), (2, 21194965), (5, 8477986), (10, 4238993), (11, 3853630), (22, 1926815), (53, 799810), (55, 770726), (106, 399905), (110, 385363), (121, 350330), (242, 175165), (265, 159962), (530, 79981), (583, 72710), (605, 70066), (661, 64130), (1166, 36355), (1210, 35033), (1322, 32065), (2915, 14542), (3305, 12826), (5830, 7271), (6413, 6610)]