1964866180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{16087}}^1$

素因数の和:16324

約数の個数: 48

約数和(自身を含む): 4281209856

約数和(自身を除く): 2316343676

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 197, 310, 394, 620, 788, 985, 1970, 3940, 6107, 12214, 16087, 24428, 30535, 32174, 61070, 64348, 80435, 122140, 160870, 321740, 498697, 997394, 1994788, 2493485, 3169139, 4986970, 6338278, 9973940, 12676556, 15845695, 31691390, 63382780, 98243309, 196486618, 392973236, 491216545, 982433090, 1964866180]

約数ペア:

[(1, 1964866180), (2, 982433090), (4, 491216545), (5, 392973236), (10, 196486618), (20, 98243309), (31, 63382780), (62, 31691390), (124, 15845695), (155, 12676556), (197, 9973940), (310, 6338278), (394, 4986970), (620, 3169139), (788, 2493485), (985, 1994788), (1970, 997394), (3940, 498697), (6107, 321740), (12214, 160870), (16087, 122140), (24428, 80435), (30535, 64348), (32174, 61070)]