74227220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 161130816

約数和(自身を除く): 86903596

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 164, 205, 262, 410, 524, 655, 691, 820, 1310, 1382, 2620, 2764, 3455, 5371, 6910, 10742, 13820, 21484, 26855, 28331, 53710, 56662, 90521, 107420, 113324, 141655, 181042, 283310, 362084, 452605, 566620, 905210, 1810420, 3711361, 7422722, 14845444, 18556805, 37113610, 74227220]

約数ペア:

[(1, 74227220), (2, 37113610), (4, 18556805), (5, 14845444), (10, 7422722), (20, 3711361), (41, 1810420), (82, 905210), (131, 566620), (164, 452605), (205, 362084), (262, 283310), (410, 181042), (524, 141655), (655, 113324), (691, 107420), (820, 90521), (1310, 56662), (1382, 53710), (2620, 28331), (2764, 26855), (3455, 21484), (5371, 13820), (6910, 10742)]