204879220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112571}}^1$

素因数の和:112600

約数の個数: 48

約数和(自身を含む): 529538688

約数和(自身を除く): 324659468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 112571, 225142, 450284, 562855, 787997, 1125710, 1463423, 1575994, 2251420, 2926846, 3151988, 3939985, 5853692, 7317115, 7879970, 10243961, 14634230, 15759940, 20487922, 29268460, 40975844, 51219805, 102439610, 204879220]

約数ペア:

[(1, 204879220), (2, 102439610), (4, 51219805), (5, 40975844), (7, 29268460), (10, 20487922), (13, 15759940), (14, 14634230), (20, 10243961), (26, 7879970), (28, 7317115), (35, 5853692), (52, 3939985), (65, 3151988), (70, 2926846), (91, 2251420), (130, 1575994), (140, 1463423), (182, 1125710), (260, 787997), (364, 562855), (455, 450284), (910, 225142), (1820, 112571)]