201745648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:830

約数の個数: 80

約数和(自身を含む): 449971200

約数和(自身を除く): 248225552

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 71, 76, 104, 142, 152, 208, 247, 284, 304, 494, 568, 719, 923, 988, 1136, 1349, 1438, 1846, 1976, 2698, 2876, 3692, 3952, 5396, 5752, 7384, 9347, 10792, 11504, 13661, 14768, 17537, 18694, 21584, 27322, 35074, 37388, 51049, 54644, 70148, 74776, 102098, 109288, 140296, 149552, 177593, 204196, 218576, 280592, 355186, 408392, 663637, 710372, 816784, 969931, 1327274, 1420744, 1939862, 2654548, 2841488, 3879724, 5309096, 7759448, 10618192, 12609103, 15518896, 25218206, 50436412, 100872824, 201745648]

約数ペア:

[(1, 201745648), (2, 100872824), (4, 50436412), (8, 25218206), (13, 15518896), (16, 12609103), (19, 10618192), (26, 7759448), (38, 5309096), (52, 3879724), (71, 2841488), (76, 2654548), (104, 1939862), (142, 1420744), (152, 1327274), (208, 969931), (247, 816784), (284, 710372), (304, 663637), (494, 408392), (568, 355186), (719, 280592), (923, 218576), (988, 204196), (1136, 177593), (1349, 149552), (1438, 140296), (1846, 109288), (1976, 102098), (2698, 74776), (2876, 70148), (3692, 54644), (3952, 51049), (5396, 37388), (5752, 35074), (7384, 27322), (9347, 21584), (10792, 18694), (11504, 17537), (13661, 14768)]