228769840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219971}}^1$

素因数の和:219997

約数の個数: 40

約数和(自身を含む): 572807088

約数和(自身を除く): 344037248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 219971, 439942, 879884, 1099855, 1759768, 2199710, 2859623, 3519536, 4399420, 5719246, 8798840, 11438492, 14298115, 17597680, 22876984, 28596230, 45753968, 57192460, 114384920, 228769840]

約数ペア:

[(1, 228769840), (2, 114384920), (4, 57192460), (5, 45753968), (8, 28596230), (10, 22876984), (13, 17597680), (16, 14298115), (20, 11438492), (26, 8798840), (40, 5719246), (52, 4399420), (65, 3519536), (80, 2859623), (104, 2199710), (130, 1759768), (208, 1099855), (260, 879884), (520, 439942), (1040, 219971)]