20119400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{2053}}^1$

素因数の和:2083

約数の個数: 72

約数和(自身を含む): 54441270

約数和(自身を除く): 34321870

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2053, 2450, 4106, 4900, 8212, 9800, 10265, 14371, 16424, 20530, 28742, 41060, 51325, 57484, 71855, 82120, 100597, 102650, 114968, 143710, 201194, 205300, 287420, 359275, 402388, 410600, 502985, 574840, 718550, 804776, 1005970, 1437100, 2011940, 2514925, 2874200, 4023880, 5029850, 10059700, 20119400]

約数ペア:

[(1, 20119400), (2, 10059700), (4, 5029850), (5, 4023880), (7, 2874200), (8, 2514925), (10, 2011940), (14, 1437100), (20, 1005970), (25, 804776), (28, 718550), (35, 574840), (40, 502985), (49, 410600), (50, 402388), (56, 359275), (70, 287420), (98, 205300), (100, 201194), (140, 143710), (175, 114968), (196, 102650), (200, 100597), (245, 82120), (280, 71855), (350, 57484), (392, 51325), (490, 41060), (700, 28742), (980, 20530), (1225, 16424), (1400, 14371), (1960, 10265), (2053, 9800), (2450, 8212), (4106, 4900)]