420711700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{607}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 949939200

約数和(自身を除く): 529227500

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 239, 290, 478, 580, 607, 725, 956, 1195, 1214, 1450, 2390, 2428, 2900, 3035, 4780, 5975, 6070, 6931, 11950, 12140, 13862, 15175, 17603, 23900, 27724, 30350, 34655, 35206, 60700, 69310, 70412, 88015, 138620, 145073, 173275, 176030, 290146, 346550, 352060, 440075, 580292, 693100, 725365, 880150, 1450730, 1760300, 2901460, 3626825, 4207117, 7253650, 8414234, 14507300, 16828468, 21035585, 42071170, 84142340, 105177925, 210355850, 420711700]

約数ペア:

[(1, 420711700), (2, 210355850), (4, 105177925), (5, 84142340), (10, 42071170), (20, 21035585), (25, 16828468), (29, 14507300), (50, 8414234), (58, 7253650), (100, 4207117), (116, 3626825), (145, 2901460), (239, 1760300), (290, 1450730), (478, 880150), (580, 725365), (607, 693100), (725, 580292), (956, 440075), (1195, 352060), (1214, 346550), (1450, 290146), (2390, 176030), (2428, 173275), (2900, 145073), (3035, 138620), (4780, 88015), (5975, 70412), (6070, 69310), (6931, 60700), (11950, 35206), (12140, 34655), (13862, 30350), (15175, 27724), (17603, 23900)]