268657940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 600159840

約数和(自身を除く): 331501900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 379, 460, 529, 670, 758, 1058, 1340, 1516, 1541, 1895, 2116, 2645, 3082, 3790, 5290, 6164, 7580, 7705, 8717, 10580, 15410, 17434, 25393, 30820, 34868, 35443, 43585, 50786, 70886, 87170, 101572, 126965, 141772, 174340, 177215, 200491, 253930, 354430, 400982, 507860, 584039, 708860, 801964, 1002455, 1168078, 2004910, 2336156, 2920195, 4009820, 5840390, 11680780, 13432897, 26865794, 53731588, 67164485, 134328970, 268657940]

約数ペア:

[(1, 268657940), (2, 134328970), (4, 67164485), (5, 53731588), (10, 26865794), (20, 13432897), (23, 11680780), (46, 5840390), (67, 4009820), (92, 2920195), (115, 2336156), (134, 2004910), (230, 1168078), (268, 1002455), (335, 801964), (379, 708860), (460, 584039), (529, 507860), (670, 400982), (758, 354430), (1058, 253930), (1340, 200491), (1516, 177215), (1541, 174340), (1895, 141772), (2116, 126965), (2645, 101572), (3082, 87170), (3790, 70886), (5290, 50786), (6164, 43585), (7580, 35443), (7705, 34868), (8717, 30820), (10580, 25393), (15410, 17434)]