389948580

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 240

約数和(自身を含む): 1413853056

約数和(自身を除く): 1023904476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 137, 140, 162, 180, 189, 210, 251, 252, 270, 274, 315, 324, 378, 405, 411, 420, 502, 540, 548, 567, 630, 685, 753, 756, 810, 822, 945, 959, 1004, 1134, 1233, 1255, 1260, 1370, 1506, 1620, 1644, 1757, 1890, 1918, 2055, 2259, 2268, 2466, 2510, 2740, 2835, 2877, 3012, 3514, 3699, 3765, 3780, 3836, 4110, 4518, 4795, 4932, 5020, 5271, 5670, 5754, 6165, 6777, 7028, 7398, 7530, 8220, 8631, 8785, 9036, 9590, 10542, 11097, 11295, 11340, 11508, 12330, 13554, 14385, 14796, 15060, 15813, 17262, 17570, 18495, 19180, 20331, 21084, 22194, 22590, 24660, 25893, 26355, 27108, 28770, 31626, 33885, 34387, 34524, 35140, 36990, 40662, 43155, 44388, 45180, 47439, 51786, 52710, 55485, 57540, 63252, 67770, 68774, 73980, 77679, 79065, 81324, 86310, 94878, 101655, 103161, 103572, 105420, 110970, 129465, 135540, 137548, 142317, 155358, 158130, 171935, 172620, 189756, 203310, 206322, 221940, 237195, 240709, 258930, 284634, 309483, 310716, 316260, 343870, 388395, 406620, 412644, 474390, 481418, 515805, 517860, 569268, 618966, 687740, 711585, 722127, 776790, 928449, 948780, 962836, 1031610, 1203545, 1237932, 1423170, 1444254, 1547415, 1553580, 1856898, 2063220, 2166381, 2407090, 2785347, 2846340, 2888508, 3094830, 3610635, 3713796, 4332762, 4642245, 4814180, 5570694, 6189660, 6499143, 7221270, 8665524, 9284490, 10831905, 11141388, 12998286, 13926735, 14442540, 18568980, 19497429, 21663810, 25996572, 27853470, 32495715, 38994858, 43327620, 55706940, 64991430, 77989716, 97487145, 129982860, 194974290, 389948580]

約数ペア:

[(1, 389948580), (2, 194974290), (3, 129982860), (4, 97487145), (5, 77989716), (6, 64991430), (7, 55706940), (9, 43327620), (10, 38994858), (12, 32495715), (14, 27853470), (15, 25996572), (18, 21663810), (20, 19497429), (21, 18568980), (27, 14442540), (28, 13926735), (30, 12998286), (35, 11141388), (36, 10831905), (42, 9284490), (45, 8665524), (54, 7221270), (60, 6499143), (63, 6189660), (70, 5570694), (81, 4814180), (84, 4642245), (90, 4332762), (105, 3713796), (108, 3610635), (126, 3094830), (135, 2888508), (137, 2846340), (140, 2785347), (162, 2407090), (180, 2166381), (189, 2063220), (210, 1856898), (251, 1553580), (252, 1547415), (270, 1444254), (274, 1423170), (315, 1237932), (324, 1203545), (378, 1031610), (405, 962836), (411, 948780), (420, 928449), (502, 776790), (540, 722127), (548, 711585), (567, 687740), (630, 618966), (685, 569268), (753, 517860), (756, 515805), (810, 481418), (822, 474390), (945, 412644), (959, 406620), (1004, 388395), (1134, 343870), (1233, 316260), (1255, 310716), (1260, 309483), (1370, 284634), (1506, 258930), (1620, 240709), (1644, 237195), (1757, 221940), (1890, 206322), (1918, 203310), (2055, 189756), (2259, 172620), (2268, 171935), (2466, 158130), (2510, 155358), (2740, 142317), (2835, 137548), (2877, 135540), (3012, 129465), (3514, 110970), (3699, 105420), (3765, 103572), (3780, 103161), (3836, 101655), (4110, 94878), (4518, 86310), (4795, 81324), (4932, 79065), (5020, 77679), (5271, 73980), (5670, 68774), (5754, 67770), (6165, 63252), (6777, 57540), (7028, 55485), (7398, 52710), (7530, 51786), (8220, 47439), (8631, 45180), (8785, 44388), (9036, 43155), (9590, 40662), (10542, 36990), (11097, 35140), (11295, 34524), (11340, 34387), (11508, 33885), (12330, 31626), (13554, 28770), (14385, 27108), (14796, 26355), (15060, 25893), (15813, 24660), (17262, 22590), (17570, 22194), (18495, 21084), (19180, 20331)]