290873180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 693633024

約数和(自身を除く): 402759844

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 127, 130, 230, 254, 260, 299, 383, 460, 508, 598, 635, 766, 1196, 1270, 1495, 1532, 1651, 1915, 2540, 2921, 2990, 3302, 3830, 4979, 5842, 5980, 6604, 7660, 8255, 8809, 9958, 11684, 14605, 16510, 17618, 19916, 24895, 29210, 33020, 35236, 37973, 44045, 48641, 49790, 58420, 75946, 88090, 97282, 99580, 114517, 151892, 176180, 189865, 194564, 229034, 243205, 379730, 458068, 486410, 572585, 632333, 759460, 972820, 1118743, 1145170, 1264666, 2237486, 2290340, 2529332, 3161665, 4474972, 5593715, 6323330, 11187430, 12646660, 14543659, 22374860, 29087318, 58174636, 72718295, 145436590, 290873180]

約数ペア:

[(1, 290873180), (2, 145436590), (4, 72718295), (5, 58174636), (10, 29087318), (13, 22374860), (20, 14543659), (23, 12646660), (26, 11187430), (46, 6323330), (52, 5593715), (65, 4474972), (92, 3161665), (115, 2529332), (127, 2290340), (130, 2237486), (230, 1264666), (254, 1145170), (260, 1118743), (299, 972820), (383, 759460), (460, 632333), (508, 572585), (598, 486410), (635, 458068), (766, 379730), (1196, 243205), (1270, 229034), (1495, 194564), (1532, 189865), (1651, 176180), (1915, 151892), (2540, 114517), (2921, 99580), (2990, 97282), (3302, 88090), (3830, 75946), (4979, 58420), (5842, 49790), (5980, 48641), (6604, 44045), (7660, 37973), (8255, 35236), (8809, 33020), (9958, 29210), (11684, 24895), (14605, 19916), (16510, 17618)]