750353980

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1\times {\mathrm{661}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 1591500960

約数和(自身を除く): 841146980

約数列:

[1, 2, 4, 5, 10, 20, 211, 269, 422, 538, 661, 844, 1055, 1076, 1322, 1345, 2110, 2644, 2690, 3305, 4220, 5380, 6610, 13220, 56759, 113518, 139471, 177809, 227036, 278942, 283795, 355618, 557884, 567590, 697355, 711236, 889045, 1135180, 1394710, 1778090, 2789420, 3556180, 37517699, 75035398, 150070796, 187588495, 375176990, 750353980]

約数ペア:

[(1, 750353980), (2, 375176990), (4, 187588495), (5, 150070796), (10, 75035398), (20, 37517699), (211, 3556180), (269, 2789420), (422, 1778090), (538, 1394710), (661, 1135180), (844, 889045), (1055, 711236), (1076, 697355), (1322, 567590), (1345, 557884), (2110, 355618), (2644, 283795), (2690, 278942), (3305, 227036), (4220, 177809), (5380, 139471), (6610, 113518), (13220, 56759)]