2012118920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{31657}}^1$

素因数の和:31902

約数の個数: 64

約数和(自身を含む): 5196977280

約数和(自身を除く): 3184858360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 454, 908, 1135, 1589, 1816, 2270, 3178, 4540, 6356, 7945, 9080, 12712, 15890, 31657, 31780, 63314, 63560, 126628, 158285, 221599, 253256, 316570, 443198, 633140, 886396, 1107995, 1266280, 1772792, 2215990, 4431980, 7186139, 8863960, 14372278, 28744556, 35930695, 50302973, 57489112, 71861390, 100605946, 143722780, 201211892, 251514865, 287445560, 402423784, 503029730, 1006059460, 2012118920]

約数ペア:

[(1, 2012118920), (2, 1006059460), (4, 503029730), (5, 402423784), (7, 287445560), (8, 251514865), (10, 201211892), (14, 143722780), (20, 100605946), (28, 71861390), (35, 57489112), (40, 50302973), (56, 35930695), (70, 28744556), (140, 14372278), (227, 8863960), (280, 7186139), (454, 4431980), (908, 2215990), (1135, 1772792), (1589, 1266280), (1816, 1107995), (2270, 886396), (3178, 633140), (4540, 443198), (6356, 316570), (7945, 253256), (9080, 221599), (12712, 158285), (15890, 126628), (31657, 63560), (31780, 63314)]