398996968040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{86851}}^1$

素因数の和:87123

約数の個数: 128

約数和(自身を含む): 1002911310720

約数和(自身を除く): 603914342680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 197, 212, 220, 265, 394, 424, 440, 530, 583, 788, 985, 1060, 1166, 1576, 1970, 2120, 2167, 2332, 2915, 3940, 4334, 4664, 5830, 7880, 8668, 10441, 10835, 11660, 17336, 20882, 21670, 23320, 41764, 43340, 52205, 83528, 86680, 86851, 104410, 114851, 173702, 208820, 229702, 347404, 417640, 434255, 459404, 574255, 694808, 868510, 918808, 955361, 1148510, 1737020, 1910722, 2297020, 3474040, 3821444, 4594040, 4603103, 4776805, 7642888, 9206206, 9553610, 17109647, 18412412, 19107220, 23015515, 34219294, 36824824, 38214440, 46031030, 50634133, 68438588, 85548235, 92062060, 101268266, 136877176, 171096470, 184124120, 188206117, 202536532, 253170665, 342192940, 376412234, 405073064, 506341330, 684385880, 752824468, 906811291, 941030585, 1012682660, 1505648936, 1813622582, 1882061170, 2025365320, 3627245164, 3764122340, 4534056455, 7254490328, 7528244680, 9068112910, 9974924201, 18136225820, 19949848402, 36272451640, 39899696804, 49874621005, 79799393608, 99749242010, 199498484020, 398996968040]

約数ペア:

[(1, 398996968040), (2, 199498484020), (4, 99749242010), (5, 79799393608), (8, 49874621005), (10, 39899696804), (11, 36272451640), (20, 19949848402), (22, 18136225820), (40, 9974924201), (44, 9068112910), (53, 7528244680), (55, 7254490328), (88, 4534056455), (106, 3764122340), (110, 3627245164), (197, 2025365320), (212, 1882061170), (220, 1813622582), (265, 1505648936), (394, 1012682660), (424, 941030585), (440, 906811291), (530, 752824468), (583, 684385880), (788, 506341330), (985, 405073064), (1060, 376412234), (1166, 342192940), (1576, 253170665), (1970, 202536532), (2120, 188206117), (2167, 184124120), (2332, 171096470), (2915, 136877176), (3940, 101268266), (4334, 92062060), (4664, 85548235), (5830, 68438588), (7880, 50634133), (8668, 46031030), (10441, 38214440), (10835, 36824824), (11660, 34219294), (17336, 23015515), (20882, 19107220), (21670, 18412412), (23320, 17109647), (41764, 9553610), (43340, 9206206), (52205, 7642888), (83528, 4776805), (86680, 4603103), (86851, 4594040), (104410, 3821444), (114851, 3474040), (173702, 2297020), (208820, 1910722), (229702, 1737020), (347404, 1148510), (417640, 955361), (434255, 918808), (459404, 868510), (574255, 694808)]