8890420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 24385536

約数和(自身を除く): 15495116

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 251, 253, 308, 322, 385, 460, 502, 506, 644, 770, 805, 1004, 1012, 1255, 1265, 1540, 1610, 1757, 1771, 2510, 2530, 2761, 3220, 3514, 3542, 5020, 5060, 5522, 5773, 7028, 7084, 8785, 8855, 11044, 11546, 13805, 17570, 17710, 19327, 23092, 27610, 28865, 35140, 35420, 38654, 40411, 55220, 57730, 63503, 77308, 80822, 96635, 115460, 127006, 161644, 193270, 202055, 254012, 317515, 386540, 404110, 444521, 635030, 808220, 889042, 1270060, 1778084, 2222605, 4445210, 8890420]

約数ペア:

[(1, 8890420), (2, 4445210), (4, 2222605), (5, 1778084), (7, 1270060), (10, 889042), (11, 808220), (14, 635030), (20, 444521), (22, 404110), (23, 386540), (28, 317515), (35, 254012), (44, 202055), (46, 193270), (55, 161644), (70, 127006), (77, 115460), (92, 96635), (110, 80822), (115, 77308), (140, 63503), (154, 57730), (161, 55220), (220, 40411), (230, 38654), (251, 35420), (253, 35140), (308, 28865), (322, 27610), (385, 23092), (460, 19327), (502, 17710), (506, 17570), (644, 13805), (770, 11546), (805, 11044), (1004, 8855), (1012, 8785), (1255, 7084), (1265, 7028), (1540, 5773), (1610, 5522), (1757, 5060), (1771, 5020), (2510, 3542), (2530, 3514), (2761, 3220)]