78234190

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 143700480

約数和(自身を除く): 65466290

約数列:

[1, 2, 5, 10, 71, 142, 251, 355, 439, 502, 710, 878, 1255, 2195, 2510, 4390, 17821, 31169, 35642, 62338, 89105, 110189, 155845, 178210, 220378, 311690, 550945, 1101890, 7823419, 15646838, 39117095, 78234190]

約数ペア:

[(1, 78234190), (2, 39117095), (5, 15646838), (10, 7823419), (71, 1101890), (142, 550945), (251, 311690), (355, 220378), (439, 178210), (502, 155845), (710, 110189), (878, 89105), (1255, 62338), (2195, 35642), (2510, 31169), (4390, 17821)]