201471900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:708

約数の個数: 144

約数和(自身を含む): 670957056

約数和(自身を除く): 469485156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 197, 210, 300, 350, 394, 420, 487, 525, 591, 700, 788, 974, 985, 1050, 1182, 1379, 1461, 1948, 1970, 2100, 2364, 2435, 2758, 2922, 2955, 3409, 3940, 4137, 4870, 4925, 5516, 5844, 5910, 6818, 6895, 7305, 8274, 9740, 9850, 10227, 11820, 12175, 13636, 13790, 14610, 14775, 16548, 17045, 19700, 20454, 20685, 24350, 27580, 29220, 29550, 34090, 34475, 36525, 40908, 41370, 48700, 51135, 59100, 68180, 68950, 73050, 82740, 85225, 95939, 102270, 103425, 137900, 146100, 170450, 191878, 204540, 206850, 255675, 287817, 340900, 383756, 413700, 479695, 511350, 575634, 671573, 959390, 1022700, 1151268, 1343146, 1439085, 1918780, 2014719, 2398475, 2686292, 2878170, 3357865, 4029438, 4796950, 5756340, 6715730, 7195425, 8058876, 9593900, 10073595, 13431460, 14390850, 16789325, 20147190, 28781700, 33578650, 40294380, 50367975, 67157300, 100735950, 201471900]

約数ペア:

[(1, 201471900), (2, 100735950), (3, 67157300), (4, 50367975), (5, 40294380), (6, 33578650), (7, 28781700), (10, 20147190), (12, 16789325), (14, 14390850), (15, 13431460), (20, 10073595), (21, 9593900), (25, 8058876), (28, 7195425), (30, 6715730), (35, 5756340), (42, 4796950), (50, 4029438), (60, 3357865), (70, 2878170), (75, 2686292), (84, 2398475), (100, 2014719), (105, 1918780), (140, 1439085), (150, 1343146), (175, 1151268), (197, 1022700), (210, 959390), (300, 671573), (350, 575634), (394, 511350), (420, 479695), (487, 413700), (525, 383756), (591, 340900), (700, 287817), (788, 255675), (974, 206850), (985, 204540), (1050, 191878), (1182, 170450), (1379, 146100), (1461, 137900), (1948, 103425), (1970, 102270), (2100, 95939), (2364, 85225), (2435, 82740), (2758, 73050), (2922, 68950), (2955, 68180), (3409, 59100), (3940, 51135), (4137, 48700), (4870, 41370), (4925, 40908), (5516, 36525), (5844, 34475), (5910, 34090), (6818, 29550), (6895, 29220), (7305, 27580), (8274, 24350), (9740, 20685), (9850, 20454), (10227, 19700), (11820, 17045), (12175, 16548), (13636, 14775), (13790, 14610)]