31006831300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{313517}}^1$

素因数の和:313597

約数の個数: 72

約数和(自身を含む): 71843276736

約数和(自身を除く): 40836445436

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 172, 215, 230, 430, 460, 575, 860, 989, 1075, 1150, 1978, 2150, 2300, 3956, 4300, 4945, 9890, 19780, 24725, 49450, 98900, 313517, 627034, 1254068, 1567585, 3135170, 6270340, 7210891, 7837925, 13481231, 14421782, 15675850, 26962462, 28843564, 31351700, 36054455, 53924924, 67406155, 72108910, 134812310, 144217820, 180272275, 269624620, 310068313, 337030775, 360544550, 620136626, 674061550, 721089100, 1240273252, 1348123100, 1550341565, 3100683130, 6201366260, 7751707825, 15503415650, 31006831300]

約数ペア:

[(1, 31006831300), (2, 15503415650), (4, 7751707825), (5, 6201366260), (10, 3100683130), (20, 1550341565), (23, 1348123100), (25, 1240273252), (43, 721089100), (46, 674061550), (50, 620136626), (86, 360544550), (92, 337030775), (100, 310068313), (115, 269624620), (172, 180272275), (215, 144217820), (230, 134812310), (430, 72108910), (460, 67406155), (575, 53924924), (860, 36054455), (989, 31351700), (1075, 28843564), (1150, 26962462), (1978, 15675850), (2150, 14421782), (2300, 13481231), (3956, 7837925), (4300, 7210891), (4945, 6270340), (9890, 3135170), (19780, 1567585), (24725, 1254068), (49450, 627034), (98900, 313517)]