157840280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{303539}}^1$

素因数の和:303563

約数の個数: 32

約数和(自身を含む): 382460400

約数和(自身を除く): 224620120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 303539, 607078, 1214156, 1517695, 2428312, 3035390, 3946007, 6070780, 7892014, 12141560, 15784028, 19730035, 31568056, 39460070, 78920140, 157840280]

約数ペア:

[(1, 157840280), (2, 78920140), (4, 39460070), (5, 31568056), (8, 19730035), (10, 15784028), (13, 12141560), (20, 7892014), (26, 6070780), (40, 3946007), (52, 3035390), (65, 2428312), (104, 1517695), (130, 1214156), (260, 607078), (520, 303539)]