2201478940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1\times {\mathrm{1907}}^1$

素因数の和:2406

約数の個数: 48

約数和(自身を含む): 4664876832

約数和(自身を除く): 2463397892

約数列:

[1, 2, 4, 5, 10, 20, 197, 293, 394, 586, 788, 985, 1172, 1465, 1907, 1970, 2930, 3814, 3940, 5860, 7628, 9535, 19070, 38140, 57721, 115442, 230884, 288605, 375679, 558751, 577210, 751358, 1117502, 1154420, 1502716, 1878395, 2235004, 2793755, 3756790, 5587510, 7513580, 11175020, 110073947, 220147894, 440295788, 550369735, 1100739470, 2201478940]

約数ペア:

[(1, 2201478940), (2, 1100739470), (4, 550369735), (5, 440295788), (10, 220147894), (20, 110073947), (197, 11175020), (293, 7513580), (394, 5587510), (586, 3756790), (788, 2793755), (985, 2235004), (1172, 1878395), (1465, 1502716), (1907, 1154420), (1970, 1117502), (2930, 751358), (3814, 577210), (3940, 558751), (5860, 375679), (7628, 288605), (9535, 230884), (19070, 115442), (38140, 57721)]