42578305

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 67852800

約数和(自身を除く): 25274495

約数列:

[1, 5, 7, 11, 35, 37, 49, 55, 61, 77, 185, 245, 259, 305, 343, 385, 407, 427, 539, 671, 1295, 1715, 1813, 2035, 2135, 2257, 2695, 2849, 2989, 3355, 3773, 4697, 9065, 11285, 12691, 14245, 14945, 15799, 18865, 19943, 20923, 23485, 24827, 32879, 63455, 78995, 99715, 104615, 110593, 124135, 139601, 164395, 173789, 230153, 552965, 698005, 774151, 868945, 1150765, 1216523, 3870755, 6082615, 8515661, 42578305]

約数ペア:

[(1, 42578305), (5, 8515661), (7, 6082615), (11, 3870755), (35, 1216523), (37, 1150765), (49, 868945), (55, 774151), (61, 698005), (77, 552965), (185, 230153), (245, 173789), (259, 164395), (305, 139601), (343, 124135), (385, 110593), (407, 104615), (427, 99715), (539, 78995), (671, 63455), (1295, 32879), (1715, 24827), (1813, 23485), (2035, 20923), (2135, 19943), (2257, 18865), (2695, 15799), (2849, 14945), (2989, 14245), (3355, 12691), (3773, 11285), (4697, 9065)]