199955360020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{439}}^1\times {\mathrm{6661}}^1$

素因数の和:7385

約数の個数: 96

約数和(自身を含む): 455028456960

約数和(自身を除く): 255073096940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 439, 526, 878, 1052, 1315, 1756, 2195, 2630, 3419, 4390, 5260, 5707, 6661, 6838, 8780, 11414, 13322, 13676, 17095, 22828, 26644, 28535, 33305, 34190, 57070, 66610, 68380, 86593, 114140, 115457, 133220, 173186, 230914, 346372, 432965, 461828, 577285, 865930, 1154570, 1500941, 1731860, 1751843, 2309140, 2924179, 3001882, 3503686, 5848358, 6003764, 7007372, 7504705, 8759215, 11696716, 14620895, 15009410, 17518430, 22773959, 29241790, 30018820, 35036860, 38014327, 45547918, 58483580, 76028654, 91095836, 113869795, 152057308, 190071635, 227739590, 380143270, 455479180, 760286540, 769059077, 1538118154, 3076236308, 3845295385, 7690590770, 9997768001, 15381181540, 19995536002, 39991072004, 49988840005, 99977680010, 199955360020]

約数ペア:

[(1, 199955360020), (2, 99977680010), (4, 49988840005), (5, 39991072004), (10, 19995536002), (13, 15381181540), (20, 9997768001), (26, 7690590770), (52, 3845295385), (65, 3076236308), (130, 1538118154), (260, 769059077), (263, 760286540), (439, 455479180), (526, 380143270), (878, 227739590), (1052, 190071635), (1315, 152057308), (1756, 113869795), (2195, 91095836), (2630, 76028654), (3419, 58483580), (4390, 45547918), (5260, 38014327), (5707, 35036860), (6661, 30018820), (6838, 29241790), (8780, 22773959), (11414, 17518430), (13322, 15009410), (13676, 14620895), (17095, 11696716), (22828, 8759215), (26644, 7504705), (28535, 7007372), (33305, 6003764), (34190, 5848358), (57070, 3503686), (66610, 3001882), (68380, 2924179), (86593, 2309140), (114140, 1751843), (115457, 1731860), (133220, 1500941), (173186, 1154570), (230914, 865930), (346372, 577285), (432965, 461828)]