7420231720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^2$

素因数の和:923

約数の個数: 96

約数和(自身を含む): 18429936480

約数和(自身を除く): 11009704760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 397, 428, 440, 535, 794, 856, 1070, 1177, 1588, 1985, 2140, 2354, 3176, 3970, 4280, 4367, 4708, 5885, 7940, 8734, 9416, 11770, 15880, 17468, 21835, 23540, 34936, 42479, 43670, 47080, 84958, 87340, 157609, 169916, 174680, 212395, 315218, 339832, 424790, 467269, 630436, 788045, 849580, 934538, 1260872, 1576090, 1699160, 1733699, 1869076, 2336345, 3152180, 3467398, 3738152, 4672690, 6304360, 6934796, 8668495, 9345380, 13869592, 16864163, 17336990, 18690760, 33728326, 34673980, 67456652, 69347960, 84320815, 134913304, 168641630, 185505793, 337283260, 371011586, 674566520, 742023172, 927528965, 1484046344, 1855057930, 3710115860, 7420231720]

約数ペア:

[(1, 7420231720), (2, 3710115860), (4, 1855057930), (5, 1484046344), (8, 927528965), (10, 742023172), (11, 674566520), (20, 371011586), (22, 337283260), (40, 185505793), (44, 168641630), (55, 134913304), (88, 84320815), (107, 69347960), (110, 67456652), (214, 34673980), (220, 33728326), (397, 18690760), (428, 17336990), (440, 16864163), (535, 13869592), (794, 9345380), (856, 8668495), (1070, 6934796), (1177, 6304360), (1588, 4672690), (1985, 3738152), (2140, 3467398), (2354, 3152180), (3176, 2336345), (3970, 1869076), (4280, 1733699), (4367, 1699160), (4708, 1576090), (5885, 1260872), (7940, 934538), (8734, 849580), (9416, 788045), (11770, 630436), (15880, 467269), (17468, 424790), (21835, 339832), (23540, 315218), (34936, 212395), (42479, 174680), (43670, 169916), (47080, 157609), (84958, 87340)]