851342660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 2224064304

約数和(自身を除く): 1372721644

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 137, 140, 170, 196, 238, 245, 274, 340, 373, 476, 490, 548, 595, 685, 746, 833, 959, 980, 1190, 1370, 1492, 1666, 1865, 1918, 2329, 2380, 2611, 2740, 3332, 3730, 3836, 4165, 4658, 4795, 5222, 6341, 6713, 7460, 8330, 9316, 9590, 10444, 11645, 12682, 13055, 13426, 16303, 16660, 18277, 19180, 23290, 25364, 26110, 26852, 31705, 32606, 33565, 36554, 44387, 46580, 51101, 52220, 63410, 65212, 67130, 73108, 81515, 88774, 91385, 102202, 114121, 126820, 134260, 163030, 177548, 182770, 204404, 221935, 228242, 255505, 310709, 326060, 357707, 365540, 443870, 456484, 511010, 570605, 621418, 715414, 868717, 887740, 1022020, 1141210, 1242836, 1430828, 1553545, 1737434, 1788535, 2282420, 2503949, 3107090, 3474868, 3577070, 4343585, 5007898, 6081019, 6214180, 7154140, 8687170, 10015796, 12162038, 12519745, 17374340, 24324076, 25039490, 30405095, 42567133, 50078980, 60810190, 85134266, 121620380, 170268532, 212835665, 425671330, 851342660]

約数ペア:

[(1, 851342660), (2, 425671330), (4, 212835665), (5, 170268532), (7, 121620380), (10, 85134266), (14, 60810190), (17, 50078980), (20, 42567133), (28, 30405095), (34, 25039490), (35, 24324076), (49, 17374340), (68, 12519745), (70, 12162038), (85, 10015796), (98, 8687170), (119, 7154140), (137, 6214180), (140, 6081019), (170, 5007898), (196, 4343585), (238, 3577070), (245, 3474868), (274, 3107090), (340, 2503949), (373, 2282420), (476, 1788535), (490, 1737434), (548, 1553545), (595, 1430828), (685, 1242836), (746, 1141210), (833, 1022020), (959, 887740), (980, 868717), (1190, 715414), (1370, 621418), (1492, 570605), (1666, 511010), (1865, 456484), (1918, 443870), (2329, 365540), (2380, 357707), (2611, 326060), (2740, 310709), (3332, 255505), (3730, 228242), (3836, 221935), (4165, 204404), (4658, 182770), (4795, 177548), (5222, 163030), (6341, 134260), (6713, 126820), (7460, 114121), (8330, 102202), (9316, 91385), (9590, 88774), (10444, 81515), (11645, 73108), (12682, 67130), (13055, 65212), (13426, 63410), (16303, 52220), (16660, 51101), (18277, 46580), (19180, 44387), (23290, 36554), (25364, 33565), (26110, 32606), (26852, 31705)]