247222040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{475427}}^1$

素因数の和:475451

約数の個数: 32

約数和(自身を含む): 599039280

約数和(自身を除く): 351817240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 475427, 950854, 1901708, 2377135, 3803416, 4754270, 6180551, 9508540, 12361102, 19017080, 24722204, 30902755, 49444408, 61805510, 123611020, 247222040]

約数ペア:

[(1, 247222040), (2, 123611020), (4, 61805510), (5, 49444408), (8, 30902755), (10, 24722204), (13, 19017080), (20, 12361102), (26, 9508540), (40, 6180551), (52, 4754270), (65, 3803416), (104, 2377135), (130, 1901708), (260, 950854), (520, 475427)]