243389320

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{9643}}^1$

素因数の和:10285

約数の個数: 32

約数和(自身を含む): 548550720

約数和(自身を除く): 305161400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 9643, 12620, 19286, 25240, 38572, 48215, 77144, 96430, 192860, 385720, 6084733, 12169466, 24338932, 30423665, 48677864, 60847330, 121694660, 243389320]

約数ペア:

[(1, 243389320), (2, 121694660), (4, 60847330), (5, 48677864), (8, 30423665), (10, 24338932), (20, 12169466), (40, 6084733), (631, 385720), (1262, 192860), (2524, 96430), (3155, 77144), (5048, 48215), (6310, 38572), (9643, 25240), (12620, 19286)]