207976980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 653184000

約数和(自身を除く): 445207020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 79, 85, 87, 89, 102, 116, 145, 158, 170, 174, 178, 204, 237, 255, 267, 290, 316, 340, 348, 356, 395, 435, 445, 474, 493, 510, 534, 580, 790, 870, 890, 948, 986, 1020, 1068, 1185, 1335, 1343, 1479, 1513, 1580, 1740, 1780, 1972, 2291, 2370, 2465, 2581, 2670, 2686, 2958, 3026, 4029, 4539, 4582, 4740, 4930, 5162, 5340, 5372, 5916, 6052, 6715, 6873, 7031, 7395, 7565, 7743, 8058, 9078, 9164, 9860, 10324, 11455, 12905, 13430, 13746, 14062, 14790, 15130, 15486, 16116, 18156, 20145, 21093, 22695, 22910, 25810, 26860, 27492, 28124, 29580, 30260, 30972, 34365, 35155, 38715, 38947, 40290, 42186, 43877, 45390, 45820, 51620, 68730, 70310, 77430, 77894, 80580, 84372, 87754, 90780, 105465, 116841, 119527, 131631, 137460, 140620, 154860, 155788, 175508, 194735, 203899, 210930, 219385, 233682, 239054, 263262, 358581, 389470, 407798, 421860, 438770, 467364, 478108, 526524, 584205, 597635, 611697, 658155, 717162, 778940, 815596, 877540, 1019495, 1168410, 1195270, 1223394, 1316310, 1434324, 1792905, 2038990, 2336820, 2390540, 2446788, 2632620, 3058485, 3466283, 3585810, 4077980, 6116970, 6932566, 7171620, 10398849, 12233940, 13865132, 17331415, 20797698, 34662830, 41595396, 51994245, 69325660, 103988490, 207976980]

約数ペア:

[(1, 207976980), (2, 103988490), (3, 69325660), (4, 51994245), (5, 41595396), (6, 34662830), (10, 20797698), (12, 17331415), (15, 13865132), (17, 12233940), (20, 10398849), (29, 7171620), (30, 6932566), (34, 6116970), (51, 4077980), (58, 3585810), (60, 3466283), (68, 3058485), (79, 2632620), (85, 2446788), (87, 2390540), (89, 2336820), (102, 2038990), (116, 1792905), (145, 1434324), (158, 1316310), (170, 1223394), (174, 1195270), (178, 1168410), (204, 1019495), (237, 877540), (255, 815596), (267, 778940), (290, 717162), (316, 658155), (340, 611697), (348, 597635), (356, 584205), (395, 526524), (435, 478108), (445, 467364), (474, 438770), (493, 421860), (510, 407798), (534, 389470), (580, 358581), (790, 263262), (870, 239054), (890, 233682), (948, 219385), (986, 210930), (1020, 203899), (1068, 194735), (1185, 175508), (1335, 155788), (1343, 154860), (1479, 140620), (1513, 137460), (1580, 131631), (1740, 119527), (1780, 116841), (1972, 105465), (2291, 90780), (2370, 87754), (2465, 84372), (2581, 80580), (2670, 77894), (2686, 77430), (2958, 70310), (3026, 68730), (4029, 51620), (4539, 45820), (4582, 45390), (4740, 43877), (4930, 42186), (5162, 40290), (5340, 38947), (5372, 38715), (5916, 35155), (6052, 34365), (6715, 30972), (6873, 30260), (7031, 29580), (7395, 28124), (7565, 27492), (7743, 26860), (8058, 25810), (9078, 22910), (9164, 22695), (9860, 21093), (10324, 20145), (11455, 18156), (12905, 16116), (13430, 15486), (13746, 15130), (14062, 14790)]