488293840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{55997}}^1$

素因数の和:56119

約数の個数: 40

約数和(自身を含む): 1145719080

約数和(自身を除く): 657425240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 55997, 111994, 223988, 279985, 447976, 559970, 895952, 1119940, 2239880, 4479760, 6103673, 12207346, 24414692, 30518365, 48829384, 61036730, 97658768, 122073460, 244146920, 488293840]

約数ペア:

[(1, 488293840), (2, 244146920), (4, 122073460), (5, 97658768), (8, 61036730), (10, 48829384), (16, 30518365), (20, 24414692), (40, 12207346), (80, 6103673), (109, 4479760), (218, 2239880), (436, 1119940), (545, 895952), (872, 559970), (1090, 447976), (1744, 279985), (2180, 223988), (4360, 111994), (8720, 55997)]