208008220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11699}}^1$

素因数の和:11842

約数の個数: 48

約数和(自身を含む): 503193600

約数和(自身を除く): 295185380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 11699, 17780, 23398, 46796, 58495, 81893, 116990, 163786, 233980, 327572, 409465, 818930, 1485773, 1637860, 2971546, 5943092, 7428865, 10400411, 14857730, 20800822, 29715460, 41601644, 52002055, 104004110, 208008220]

約数ペア:

[(1, 208008220), (2, 104004110), (4, 52002055), (5, 41601644), (7, 29715460), (10, 20800822), (14, 14857730), (20, 10400411), (28, 7428865), (35, 5943092), (70, 2971546), (127, 1637860), (140, 1485773), (254, 818930), (508, 409465), (635, 327572), (889, 233980), (1270, 163786), (1778, 116990), (2540, 81893), (3556, 58495), (4445, 46796), (8890, 23398), (11699, 17780)]