208454970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 514635264

約数和(自身を除く): 306180294

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 283, 430, 566, 571, 645, 849, 1142, 1290, 1415, 1698, 1713, 2830, 2855, 3426, 4245, 5710, 8490, 8565, 12169, 17130, 24338, 24553, 36507, 49106, 60845, 73014, 73659, 121690, 122765, 147318, 161593, 182535, 245530, 323186, 365070, 368295, 484779, 736590, 807965, 969558, 1615930, 2423895, 4847790, 6948499, 13896998, 20845497, 34742495, 41690994, 69484990, 104227485, 208454970]

約数ペア:

[(1, 208454970), (2, 104227485), (3, 69484990), (5, 41690994), (6, 34742495), (10, 20845497), (15, 13896998), (30, 6948499), (43, 4847790), (86, 2423895), (129, 1615930), (215, 969558), (258, 807965), (283, 736590), (430, 484779), (566, 368295), (571, 365070), (645, 323186), (849, 245530), (1142, 182535), (1290, 161593), (1415, 147318), (1698, 122765), (1713, 121690), (2830, 73659), (2855, 73014), (3426, 60845), (4245, 49106), (5710, 36507), (8490, 24553), (8565, 24338), (12169, 17130)]