630513650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 1372412160

約数和(自身を除く): 741898510

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 31, 50, 58, 62, 65, 83, 130, 145, 155, 166, 169, 290, 310, 325, 338, 377, 403, 415, 650, 725, 754, 775, 806, 830, 845, 899, 1079, 1450, 1550, 1690, 1798, 1885, 2015, 2075, 2158, 2407, 2573, 3770, 4030, 4150, 4225, 4495, 4814, 4901, 5146, 5239, 5395, 8450, 8990, 9425, 9802, 10075, 10478, 10790, 11687, 12035, 12865, 14027, 18850, 20150, 22475, 23374, 24070, 24505, 25730, 26195, 26975, 28054, 31291, 33449, 44950, 49010, 52390, 53950, 58435, 60175, 62582, 64325, 66898, 70135, 74617, 116870, 120350, 122525, 128650, 130975, 140270, 149234, 151931, 156455, 167245, 245050, 261950, 292175, 303862, 312910, 334490, 350675, 373085, 406783, 434837, 584350, 701350, 746170, 759655, 782275, 813566, 836225, 869674, 970021, 1519310, 1564550, 1672450, 1865425, 1940042, 2033915, 2174185, 3730850, 3798275, 4067830, 4348370, 4850105, 7596550, 9700210, 10169575, 10870925, 12610273, 20339150, 21741850, 24250525, 25220546, 48501050, 63051365, 126102730, 315256825, 630513650]

約数ペア:

[(1, 630513650), (2, 315256825), (5, 126102730), (10, 63051365), (13, 48501050), (25, 25220546), (26, 24250525), (29, 21741850), (31, 20339150), (50, 12610273), (58, 10870925), (62, 10169575), (65, 9700210), (83, 7596550), (130, 4850105), (145, 4348370), (155, 4067830), (166, 3798275), (169, 3730850), (290, 2174185), (310, 2033915), (325, 1940042), (338, 1865425), (377, 1672450), (403, 1564550), (415, 1519310), (650, 970021), (725, 869674), (754, 836225), (775, 813566), (806, 782275), (830, 759655), (845, 746170), (899, 701350), (1079, 584350), (1450, 434837), (1550, 406783), (1690, 373085), (1798, 350675), (1885, 334490), (2015, 312910), (2075, 303862), (2158, 292175), (2407, 261950), (2573, 245050), (3770, 167245), (4030, 156455), (4150, 151931), (4225, 149234), (4495, 140270), (4814, 130975), (4901, 128650), (5146, 122525), (5239, 120350), (5395, 116870), (8450, 74617), (8990, 70135), (9425, 66898), (9802, 64325), (10075, 62582), (10478, 60175), (10790, 58435), (11687, 53950), (12035, 52390), (12865, 49010), (14027, 44950), (18850, 33449), (20150, 31291), (22475, 28054), (23374, 26975), (24070, 26195), (24505, 25730)]