388226020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1050

約数の個数: 144

約数和(自身を含む): 1055351808

約数和(自身を除く): 667125788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 182, 196, 217, 245, 260, 310, 364, 403, 434, 455, 490, 620, 637, 806, 868, 910, 980, 983, 1085, 1274, 1519, 1612, 1820, 1966, 2015, 2170, 2548, 2821, 3038, 3185, 3932, 4030, 4340, 4915, 5642, 6076, 6370, 6881, 7595, 8060, 9830, 11284, 12740, 12779, 13762, 14105, 15190, 19660, 19747, 25558, 27524, 28210, 30380, 30473, 34405, 39494, 48167, 51116, 56420, 60946, 63895, 68810, 78988, 89453, 96334, 98735, 121892, 127790, 137620, 152365, 178906, 192668, 197470, 213311, 240835, 255580, 304730, 357812, 394940, 396149, 426622, 447265, 481670, 609460, 626171, 792298, 853244, 894530, 963340, 1066555, 1252342, 1493177, 1584596, 1789060, 1980745, 2133110, 2504684, 2773043, 2986354, 3130855, 3961490, 4266220, 5546086, 5972708, 6261710, 7465885, 7922980, 11092172, 12523420, 13865215, 14931770, 19411301, 27730430, 29863540, 38822602, 55460860, 77645204, 97056505, 194113010, 388226020]

約数ペア:

[(1, 388226020), (2, 194113010), (4, 97056505), (5, 77645204), (7, 55460860), (10, 38822602), (13, 29863540), (14, 27730430), (20, 19411301), (26, 14931770), (28, 13865215), (31, 12523420), (35, 11092172), (49, 7922980), (52, 7465885), (62, 6261710), (65, 5972708), (70, 5546086), (91, 4266220), (98, 3961490), (124, 3130855), (130, 2986354), (140, 2773043), (155, 2504684), (182, 2133110), (196, 1980745), (217, 1789060), (245, 1584596), (260, 1493177), (310, 1252342), (364, 1066555), (403, 963340), (434, 894530), (455, 853244), (490, 792298), (620, 626171), (637, 609460), (806, 481670), (868, 447265), (910, 426622), (980, 396149), (983, 394940), (1085, 357812), (1274, 304730), (1519, 255580), (1612, 240835), (1820, 213311), (1966, 197470), (2015, 192668), (2170, 178906), (2548, 152365), (2821, 137620), (3038, 127790), (3185, 121892), (3932, 98735), (4030, 96334), (4340, 89453), (4915, 78988), (5642, 68810), (6076, 63895), (6370, 60946), (6881, 56420), (7595, 51116), (8060, 48167), (9830, 39494), (11284, 34405), (12740, 30473), (12779, 30380), (13762, 28210), (14105, 27524), (15190, 25558), (19660, 19747)]