42748420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14947}}^1$

素因数の和:14980

約数の個数: 48

約数和(自身を含む): 105473088

約数和(自身を除く): 62724668

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 14947, 29894, 59788, 74735, 149470, 164417, 194311, 298940, 328834, 388622, 657668, 777244, 822085, 971555, 1644170, 1943110, 2137421, 3288340, 3886220, 4274842, 8549684, 10687105, 21374210, 42748420]

約数ペア:

[(1, 42748420), (2, 21374210), (4, 10687105), (5, 8549684), (10, 4274842), (11, 3886220), (13, 3288340), (20, 2137421), (22, 1943110), (26, 1644170), (44, 971555), (52, 822085), (55, 777244), (65, 657668), (110, 388622), (130, 328834), (143, 298940), (220, 194311), (260, 164417), (286, 149470), (572, 74735), (715, 59788), (1430, 29894), (2860, 14947)]