121809860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{2039}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 267321600

約数和(自身を除く): 145511740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 206, 290, 412, 515, 580, 1030, 2039, 2060, 2987, 4078, 5974, 8156, 10195, 11948, 14935, 20390, 29870, 40780, 59131, 59740, 118262, 210017, 236524, 295655, 420034, 591310, 840068, 1050085, 1182620, 2100170, 4200340, 6090493, 12180986, 24361972, 30452465, 60904930, 121809860]

約数ペア:

[(1, 121809860), (2, 60904930), (4, 30452465), (5, 24361972), (10, 12180986), (20, 6090493), (29, 4200340), (58, 2100170), (103, 1182620), (116, 1050085), (145, 840068), (206, 591310), (290, 420034), (412, 295655), (515, 236524), (580, 210017), (1030, 118262), (2039, 59740), (2060, 59131), (2987, 40780), (4078, 29870), (5974, 20390), (8156, 14935), (10195, 11948)]