774530360

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1\times {\mathrm{563}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 1764823680

約数和(自身を除く): 990293320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 211, 326, 422, 563, 652, 815, 844, 1055, 1126, 1304, 1630, 1688, 2110, 2252, 2815, 3260, 4220, 4504, 5630, 6520, 8440, 11260, 22520, 34393, 68786, 91769, 118793, 137572, 171965, 183538, 237586, 275144, 343930, 367076, 458845, 475172, 593965, 687860, 734152, 917690, 950344, 1187930, 1375720, 1835380, 2375860, 3670760, 4751720, 19363259, 38726518, 77453036, 96816295, 154906072, 193632590, 387265180, 774530360]

約数ペア:

[(1, 774530360), (2, 387265180), (4, 193632590), (5, 154906072), (8, 96816295), (10, 77453036), (20, 38726518), (40, 19363259), (163, 4751720), (211, 3670760), (326, 2375860), (422, 1835380), (563, 1375720), (652, 1187930), (815, 950344), (844, 917690), (1055, 734152), (1126, 687860), (1304, 593965), (1630, 475172), (1688, 458845), (2110, 367076), (2252, 343930), (2815, 275144), (3260, 237586), (4220, 183538), (4504, 171965), (5630, 137572), (6520, 118793), (8440, 91769), (11260, 68786), (22520, 34393)]