78166420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{677}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 172222848

約数和(自身を除く): 94056428

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 251, 460, 502, 677, 1004, 1255, 1354, 2510, 2708, 3385, 5020, 5773, 6770, 11546, 13540, 15571, 23092, 28865, 31142, 57730, 62284, 77855, 115460, 155710, 169927, 311420, 339854, 679708, 849635, 1699270, 3398540, 3908321, 7816642, 15633284, 19541605, 39083210, 78166420]

約数ペア:

[(1, 78166420), (2, 39083210), (4, 19541605), (5, 15633284), (10, 7816642), (20, 3908321), (23, 3398540), (46, 1699270), (92, 849635), (115, 679708), (230, 339854), (251, 311420), (460, 169927), (502, 155710), (677, 115460), (1004, 77855), (1255, 62284), (1354, 57730), (2510, 31142), (2708, 28865), (3385, 23092), (5020, 15571), (5773, 13540), (6770, 11546)]