201423843820

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2477}}^1\times {\mathrm{20639}}^1$

素因数の和:23322

約数の個数: 48

約数和(自身を含む): 425329470720

約数和(自身を除く): 223905626900

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2477, 3940, 4954, 9908, 12385, 20639, 24770, 41278, 49540, 82556, 103195, 206390, 412780, 487969, 975938, 1951876, 2439845, 4065883, 4879690, 8131766, 9759380, 16263532, 20329415, 40658830, 51122803, 81317660, 102245606, 204491212, 255614015, 511228030, 1022456060, 10071192191, 20142384382, 40284768764, 50355960955, 100711921910, 201423843820]

約数ペア:

[(1, 201423843820), (2, 100711921910), (4, 50355960955), (5, 40284768764), (10, 20142384382), (20, 10071192191), (197, 1022456060), (394, 511228030), (788, 255614015), (985, 204491212), (1970, 102245606), (2477, 81317660), (3940, 51122803), (4954, 40658830), (9908, 20329415), (12385, 16263532), (20639, 9759380), (24770, 8131766), (41278, 4879690), (49540, 4065883), (82556, 2439845), (103195, 1951876), (206390, 975938), (412780, 487969)]