212804980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{6197}}^1$

素因数の和:6324

約数の個数: 48

約数和(自身を含む): 477940176

約数和(自身を除く): 265135196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 1010, 1717, 2020, 3434, 6197, 6868, 8585, 12394, 17170, 24788, 30985, 34340, 61970, 105349, 123940, 210698, 421396, 526745, 625897, 1053490, 1251794, 2106980, 2503588, 3129485, 6258970, 10640249, 12517940, 21280498, 42560996, 53201245, 106402490, 212804980]

約数ペア:

[(1, 212804980), (2, 106402490), (4, 53201245), (5, 42560996), (10, 21280498), (17, 12517940), (20, 10640249), (34, 6258970), (68, 3129485), (85, 2503588), (101, 2106980), (170, 1251794), (202, 1053490), (340, 625897), (404, 526745), (505, 421396), (1010, 210698), (1717, 123940), (2020, 105349), (3434, 61970), (6197, 34340), (6868, 30985), (8585, 24788), (12394, 17170)]