77977820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{599}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 171763200

約数和(自身を除く): 93785380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 283, 460, 566, 599, 1132, 1198, 1415, 2396, 2830, 2995, 5660, 5990, 6509, 11980, 13018, 13777, 26036, 27554, 32545, 55108, 65090, 68885, 130180, 137770, 169517, 275540, 339034, 678068, 847585, 1695170, 3390340, 3898891, 7797782, 15595564, 19494455, 38988910, 77977820]

約数ペア:

[(1, 77977820), (2, 38988910), (4, 19494455), (5, 15595564), (10, 7797782), (20, 3898891), (23, 3390340), (46, 1695170), (92, 847585), (115, 678068), (230, 339034), (283, 275540), (460, 169517), (566, 137770), (599, 130180), (1132, 68885), (1198, 65090), (1415, 55108), (2396, 32545), (2830, 27554), (2995, 26036), (5660, 13777), (5990, 13018), (6509, 11980)]