72013970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4003}}^1$

素因数の和:4274

約数の個数: 32

約数和(自身を含む): 148756608

約数和(自身を除く): 76742638

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 4003, 8006, 8995, 17990, 20015, 28021, 40030, 56042, 140105, 280210, 1028771, 2057542, 5143855, 7201397, 10287710, 14402794, 36006985, 72013970]

約数ペア:

[(1, 72013970), (2, 36006985), (5, 14402794), (7, 10287710), (10, 7201397), (14, 5143855), (35, 2057542), (70, 1028771), (257, 280210), (514, 140105), (1285, 56042), (1799, 40030), (2570, 28021), (3598, 20015), (4003, 17990), (8006, 8995)]