279760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 703080

約数和(自身を除く): 423320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 269, 520, 538, 1040, 1076, 1345, 2152, 2690, 3497, 4304, 5380, 6994, 10760, 13988, 17485, 21520, 27976, 34970, 55952, 69940, 139880, 279760]

約数ペア:

[(1, 279760), (2, 139880), (4, 69940), (5, 55952), (8, 34970), (10, 27976), (13, 21520), (16, 17485), (20, 13988), (26, 10760), (40, 6994), (52, 5380), (65, 4304), (80, 3497), (104, 2690), (130, 2152), (208, 1345), (260, 1076), (269, 1040), (520, 538)]