78969940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7727}}^1$

素因数の和:7816

約数の個数: 48

約数和(自身を含む): 192148992

約数和(自身を除く): 113179052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 7727, 10220, 15454, 30908, 38635, 54089, 77270, 108178, 154540, 216356, 270445, 540890, 564071, 1081780, 1128142, 2256284, 2820355, 3948497, 5640710, 7896994, 11281420, 15793988, 19742485, 39484970, 78969940]

約数ペア:

[(1, 78969940), (2, 39484970), (4, 19742485), (5, 15793988), (7, 11281420), (10, 7896994), (14, 5640710), (20, 3948497), (28, 2820355), (35, 2256284), (70, 1128142), (73, 1081780), (140, 564071), (146, 540890), (292, 270445), (365, 216356), (511, 154540), (730, 108178), (1022, 77270), (1460, 54089), (2044, 38635), (2555, 30908), (5110, 15454), (7727, 10220)]