85474970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 182856960

約数和(自身を除く): 97381990

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 73, 86, 146, 215, 301, 365, 389, 430, 511, 602, 730, 778, 1022, 1505, 1945, 2555, 2723, 3010, 3139, 3890, 5110, 5446, 6278, 13615, 15695, 16727, 21973, 27230, 28397, 31390, 33454, 43946, 56794, 83635, 109865, 117089, 141985, 167270, 198779, 219730, 234178, 283970, 397558, 585445, 993895, 1170890, 1221071, 1987790, 2442142, 6105355, 8547497, 12210710, 17094994, 42737485, 85474970]

約数ペア:

[(1, 85474970), (2, 42737485), (5, 17094994), (7, 12210710), (10, 8547497), (14, 6105355), (35, 2442142), (43, 1987790), (70, 1221071), (73, 1170890), (86, 993895), (146, 585445), (215, 397558), (301, 283970), (365, 234178), (389, 219730), (430, 198779), (511, 167270), (602, 141985), (730, 117089), (778, 109865), (1022, 83635), (1505, 56794), (1945, 43946), (2555, 33454), (2723, 31390), (3010, 28397), (3139, 27230), (3890, 21973), (5110, 16727), (5446, 15695), (6278, 13615)]