188779940

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 406123200

約数和(自身を除く): 217343260

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 157, 236, 295, 314, 590, 628, 785, 1019, 1180, 1570, 2038, 3140, 4076, 5095, 9263, 10190, 18526, 20380, 37052, 46315, 60121, 92630, 120242, 159983, 185260, 240484, 300605, 319966, 601210, 639932, 799915, 1202420, 1599830, 3199660, 9438997, 18877994, 37755988, 47194985, 94389970, 188779940]

約数ペア:

[(1, 188779940), (2, 94389970), (4, 47194985), (5, 37755988), (10, 18877994), (20, 9438997), (59, 3199660), (118, 1599830), (157, 1202420), (236, 799915), (295, 639932), (314, 601210), (590, 319966), (628, 300605), (785, 240484), (1019, 185260), (1180, 159983), (1570, 120242), (2038, 92630), (3140, 60121), (4076, 46315), (5095, 37052), (9263, 20380), (10190, 18526)]